3998252793599 has 4 divisors (see below), whose sum is σ = 3998263155936. Its totient is φ = 3998242431264.

The previous prime is 3998252793589. The next prime is 3998252793631. The reversal of 3998252793599 is 9953972528993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3998252793599 - 2³² = 3993957826303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998252793569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4579079 + ... + 5381864.

It is an arithmetic number, because the mean of its divisors is an integer number (999565788984).

Almost surely, 2^{3998252793599} is an apocalyptic number.

3998252793599 is a deficient number, since it is larger than the sum of its proper divisors (10362337).

3998252793599 is an equidigital number, since it uses as much as digits as its factorization.

3998252793599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362336.

The product of its digits is 2976069600, while the sum is 80.

The spelling of 3998252793599 in words is "three trillion, nine hundred ninety-eight billion, two hundred fifty-two million, seven hundred ninety-three thousand, five hundred ninety-nine".