3993310798929 has 9 divisors (see below), whose sum is σ = 5768124257883. Its totient is φ = 2662203202632.

The previous prime is 3993310798921. The next prime is 3993310798937. The reversal of 3993310798929 is 9298970133993.

The square root of 3993310798929 is 1998327.

It is a perfect power (a square), and thus also a powerful number.

3993310798929 is a `hidden beast` number, since 399 + 33 + 107 + 9 + 89 + 29 = 666.

3993310798929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3993310798921) and next prime (3993310798937).

It can be written as a sum of positive squares in only one way, i.e., 33608788929 + 3959702010000 = 183327^2 + 1989900^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3993310798929 - 2³ = 3993310798921 is a prime.

It is a super-2 number, since 2×3993310798929² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3993310798921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5661927 + ... + 6328035.

Almost surely, 2^{3993310798929} is an apocalyptic number.

3993310798929 is the 1998327-th square number.

3993310798929 is the 999164-th centered octagonal number.

It is an amenable number.

3993310798929 is a deficient number, since it is larger than the sum of its proper divisors (1774813458954).

3993310798929 is an frugal number, since it uses more digits than its factorization.

3993310798929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332224 (or 666112 counting only the distinct ones).

The product of its (nonzero) digits is 178564176, while the sum is 72.

The spelling of 3993310798929 in words is "three trillion, nine hundred ninety-three billion, three hundred ten million, seven hundred ninety-eight thousand, nine hundred twenty-nine".