13215631363 has 16 divisors (see below), whose sum is σ = 14649610752. Its totient is φ = 11821096000.

The previous prime is 13215631357. The next prime is 13215631381. The reversal of 13215631363 is 36313651231.

It is a cyclic number.

It is not a de Polignac number, because 13215631363 - 2⁹ = 13215630851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13215631333) 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, 376023 + ... + 409663.

It is an arithmetic number, because the mean of its divisors is an integer number (915600672).

Almost surely, 2^13215631363 is an apocalyptic number.

13215631363 is a deficient number, since it is larger than the sum of its proper divisors (1433979389).

13215631363 is a wasteful number, since it uses less digits than its factorization.

13215631363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226.

The product of its digits is 29160, while the sum is 34.

The spelling of 13215631363 in words is "thirteen billion, two hundred fifteen million, six hundred thirty-one thousand, three hundred sixty-three".