13912506645 has 8 divisors (see below), whose sum is σ = 22260010656. Its totient is φ = 7420003536.

The previous prime is 13912506637. The next prime is 13912506697. The reversal of 13912506645 is 54660521931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13912506645 - 2³ = 13912506637 is a prime.

It is a super-2 number, since 2×13912506645² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13912506597 and 13912506606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463750207 + ... + 463750236.

It is an arithmetic number, because the mean of its divisors is an integer number (2782501332).

Almost surely, 2^13912506645 is an apocalyptic number.

13912506645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13912506645 is a deficient number, since it is larger than the sum of its proper divisors (8347504011).

13912506645 is an equidigital number, since it uses as much as digits as its factorization.

13912506645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927500451.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 13912506645 in words is "thirteen billion, nine hundred twelve million, five hundred six thousand, six hundred forty-five".