13059551397 has 4 divisors (see below), whose sum is σ = 17412735200. Its totient is φ = 8706367596.

The previous prime is 13059551387. The next prime is 13059551399. The reversal of 13059551397 is 79315595031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13059551397 - 2⁷ = 13059551269 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 (13059551399) 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, 2176591897 + ... + 2176591902.

It is an arithmetic number, because the mean of its divisors is an integer number (4353183800).

Almost surely, 2^13059551397 is an apocalyptic number.

It is an amenable number.

13059551397 is a deficient number, since it is larger than the sum of its proper divisors (4353183803).

13059551397 is an equidigital number, since it uses as much as digits as its factorization.

13059551397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353183802.

The product of its (nonzero) digits is 637875, while the sum is 48.

The spelling of 13059551397 in words is "thirteen billion, fifty-nine million, five hundred fifty-one thousand, three hundred ninety-seven".