13009897792 has 28 divisors (see below), whose sum is σ = 26365809600. Its totient is φ = 6366544256.

The previous prime is 13009897711. The next prime is 13009897799. The reversal of 13009897792 is 29779890031.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13009897799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159542 + ... + 2165557.

Almost surely, 2^13009897792 is an apocalyptic number.

It is an amenable number.

13009897792 is an abundant number, since it is smaller than the sum of its proper divisors (13355911808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13009897792 is an equidigital number, since it uses as much as digits as its factorization.

13009897792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325158 (or 4325148 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 13009897792 in words is "thirteen billion, nine million, eight hundred ninety-seven thousand, seven hundred ninety-two".