13264266565 has 16 divisors (see below), whose sum is σ = 17380573056. Its totient is φ = 9637604800.

The previous prime is 13264266563. The next prime is 13264266599. The reversal of 13264266565 is 56566246231.

It is not a de Polignac number, because 13264266565 - 2¹ = 13264266563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13264266563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55297 + ... + 172006.

It is an arithmetic number, because the mean of its divisors is an integer number (1086285816).

Almost surely, 2^13264266565 is an apocalyptic number.

It is an amenable number.

13264266565 is a deficient number, since it is larger than the sum of its proper divisors (4116306491).

13264266565 is a wasteful number, since it uses less digits than its factorization.

13264266565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228380.

The product of its digits is 1555200, while the sum is 46.

The spelling of 13264266565 in words is "thirteen billion, two hundred sixty-four million, two hundred sixty-six thousand, five hundred sixty-five".