13628551597 has 4 divisors (see below), whose sum is σ = 13630315840. Its totient is φ = 13626787356.

The previous prime is 13628551579. The next prime is 13628551603. The reversal of 13628551597 is 79515582631.

It is a happy number.

13628551597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79515582631 = 18329 ⋅4338239.

It is a cyclic number.

It is not a de Polignac number, because 13628551597 - 2²³ = 13620162989 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 (13628551397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870483 + ... + 886000.

It is an arithmetic number, because the mean of its divisors is an integer number (3407578960).

Almost surely, 2^13628551597 is an apocalyptic number.

It is an amenable number.

13628551597 is a deficient number, since it is larger than the sum of its proper divisors (1764243).

13628551597 is an equidigital number, since it uses as much as digits as its factorization.

13628551597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764242.

The product of its digits is 2268000, while the sum is 52.

The spelling of 13628551597 in words is "thirteen billion, six hundred twenty-eight million, five hundred fifty-one thousand, five hundred ninety-seven".