3993493569 has 32 divisors (see below), whose sum is σ = 5777412480. Its totient is φ = 2439117312.

The previous prime is 3993493499. The next prime is 3993493571. The reversal of 3993493569 is 9653943993.

3993493569 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3993493569 - 2⁸ = 3993493313 is a prime.

It is a super-2 number, since 2×3993493569² = 31895981771288715522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3993493369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3639829 + ... + 3640925.

It is an arithmetic number, because the mean of its divisors is an integer number (180544140).

Almost surely, 2^3993493569 is an apocalyptic number.

3993493569 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3993493569 is a deficient number, since it is larger than the sum of its proper divisors (1783918911).

3993493569 is a wasteful number, since it uses less digits than its factorization.

3993493569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 21257640, while the sum is 60.

The square root of 3993493569 is about 63194.0944155385. The cubic root of 3993493569 is about 1586.5398919249.

The spelling of 3993493569 in words is "three billion, nine hundred ninety-three million, four hundred ninety-three thousand, five hundred sixty-nine".