13620391751913 has 32 divisors (see below), whose sum is σ = 18756260954496. Its totient is φ = 8787793417728.

The previous prime is 13620391751873. The next prime is 13620391751917. The reversal of 13620391751913 is 31915719302631.

It is not a de Polignac number, because 13620391751913 - 2¹² = 13620391747817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13620391751917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2246031 + ... + 5682027.

It is an arithmetic number, because the mean of its divisors is an integer number (586133154828).

Almost surely, 2^{13620391751913} is an apocalyptic number.

It is an amenable number.

13620391751913 is a deficient number, since it is larger than the sum of its proper divisors (5135869202583).

13620391751913 is a wasteful number, since it uses less digits than its factorization.

13620391751913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436393.

The product of its (nonzero) digits is 918540, while the sum is 51.

The spelling of 13620391751913 in words is "thirteen trillion, six hundred twenty billion, three hundred ninety-one million, seven hundred fifty-one thousand, nine hundred thirteen".