13028399617 has 4 divisors (see below), whose sum is σ = 13714104880. Its totient is φ = 12342694356.

The previous prime is 13028399603. The next prime is 13028399639. The reversal of 13028399617 is 71699382031.

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: 71699382031 = 6607 ⋅10852033.

It is a cyclic number.

It is not a de Polignac number, because 13028399617 - 2²⁷ = 12894181889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13028399117) 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, 342852603 + ... + 342852640.

It is an arithmetic number, because the mean of its divisors is an integer number (3428526220).

Almost surely, 2^13028399617 is an apocalyptic number.

It is an amenable number.

13028399617 is a deficient number, since it is larger than the sum of its proper divisors (685705263).

13028399617 is an equidigital number, since it uses as much as digits as its factorization.

13028399617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685705262.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 13028399617 in words is "thirteen billion, twenty-eight million, three hundred ninety-nine thousand, six hundred seventeen".