13264423646 has 16 divisors (see below), whose sum is σ = 19935599040. Its totient is φ = 6619238400.

The previous prime is 13264423603. The next prime is 13264423657. The reversal of 13264423646 is 64632446231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760446 + ... + 2765246.

It is an arithmetic number, because the mean of its divisors is an integer number (1245974940).

Almost surely, 2^13264423646 is an apocalyptic number.

13264423646 is a deficient number, since it is larger than the sum of its proper divisors (6671175394).

13264423646 is a wasteful number, since it uses less digits than its factorization.

13264423646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219.

The product of its digits is 497664, while the sum is 41.

Adding to 13264423646 its reverse (64632446231), we get a palindrome (77896869877).

The spelling of 13264423646 in words is "thirteen billion, two hundred sixty-four million, four hundred twenty-three thousand, six hundred forty-six".