13265323651 has 6 divisors (see below), whose sum is σ = 13964027060. Its totient is φ = 12566673108.

The previous prime is 13265323649. The next prime is 13265323667. The reversal of 13265323651 is 15632356231.

It is not a de Polignac number, because 13265323651 - 2¹ = 13265323649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13265323651.

It is not an unprimeable number, because it can be changed into a prime (13265326651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 488826 + ... + 515248.

Almost surely, 2^13265323651 is an apocalyptic number.

13265323651 is a deficient number, since it is larger than the sum of its proper divisors (698703409).

13265323651 is an frugal number, since it uses more digits than its factorization.

13265323651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52865 (or 26442 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

Adding to 13265323651 its reverse (15632356231), we get a palindrome (28897679882).

The spelling of 13265323651 in words is "thirteen billion, two hundred sixty-five million, three hundred twenty-three thousand, six hundred fifty-one".