13025671979 has 8 divisors (see below), whose sum is σ = 13306526208. Its totient is φ = 12744972520.

The previous prime is 13025671969. The next prime is 13025672021. The reversal of 13025671979 is 97917652031.

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 13025671979 - 2⁴ = 13025671963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13025671909) 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, 140264 + ... + 213834.

It is an arithmetic number, because the mean of its divisors is an integer number (1663315776).

Almost surely, 2^13025671979 is an apocalyptic number.

13025671979 is a deficient number, since it is larger than the sum of its proper divisors (280854229).

13025671979 is an equidigital number, since it uses as much as digits as its factorization.

13025671979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77385.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 13025671979 in words is "thirteen billion, twenty-five million, six hundred seventy-one thousand, nine hundred seventy-nine".