13049579999 has 8 divisors (see below), whose sum is σ = 13449880752. Its totient is φ = 12653184960.

The previous prime is 13049579957. The next prime is 13049580007. The reversal of 13049579999 is 99997594031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13049579999 - 2²⁰ = 13048531423 is a prime.

It is a super-3 number, since 3×13049579999³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13049579399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969644 + ... + 983009.

It is an arithmetic number, because the mean of its divisors is an integer number (1681235094).

Almost surely, 2^13049579999 is an apocalyptic number.

13049579999 is a deficient number, since it is larger than the sum of its proper divisors (400300753).

13049579999 is a wasteful number, since it uses less digits than its factorization.

13049579999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952857.

The product of its (nonzero) digits is 24800580, while the sum is 65.

The spelling of 13049579999 in words is "thirteen billion, forty-nine million, five hundred seventy-nine thousand, nine hundred ninety-nine".