13622721346 has 32 divisors (see below), whose sum is σ = 23790231360. Its totient is φ = 5795499456.

The previous prime is 13622721337. The next prime is 13622721373. The reversal of 13622721346 is 64312722631.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 15 ways as a sum of consecutive naturals, for example, 354376 + ... + 390931.

It is an arithmetic number, because the mean of its divisors is an integer number (743444730).

Almost surely, 2^13622721346 is an apocalyptic number.

13622721346 is a deficient number, since it is larger than the sum of its proper divisors (10167510014).

13622721346 is a wasteful number, since it uses less digits than its factorization.

13622721346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745378.

The product of its digits is 72576, while the sum is 37.

The spelling of 13622721346 in words is "thirteen billion, six hundred twenty-two million, seven hundred twenty-one thousand, three hundred forty-six".