13263416765 has 16 divisors (see below), whose sum is σ = 16023566208. Its totient is φ = 10539170496.

The previous prime is 13263416723. The next prime is 13263416797. The reversal of 13263416765 is 56761436231.

It is a cyclic number.

It is not a de Polignac number, because 13263416765 - 2⁶ = 13263416701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669232 + ... + 1677158.

It is an arithmetic number, because the mean of its divisors is an integer number (1001472888).

Almost surely, 2^13263416765 is an apocalyptic number.

It is an amenable number.

13263416765 is a deficient number, since it is larger than the sum of its proper divisors (2760149443).

13263416765 is a wasteful number, since it uses less digits than its factorization.

13263416765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148.

The product of its digits is 544320, while the sum is 44.

The spelling of 13263416765 in words is "thirteen billion, two hundred sixty-three million, four hundred sixteen thousand, seven hundred sixty-five".