21907630107 has 48 divisors (see below), whose sum is σ = 35488707072. Its totient is φ = 12905904960.

The previous prime is 21907630099. The next prime is 21907630123. The reversal of 21907630107 is 70103670912.

It is a happy number.

21907630107 is a `hidden beast` number, since 2 + 1 + 9 + 0 + 7 + 630 + 10 + 7 = 666.

It is not a de Polignac number, because 21907630107 - 2³ = 21907630099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21907630307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4858548 + ... + 4863054.

It is an arithmetic number, because the mean of its divisors is an integer number (739348064).

Almost surely, 2^21907630107 is an apocalyptic number.

21907630107 is a deficient number, since it is larger than the sum of its proper divisors (13581076965).

21907630107 is a wasteful number, since it uses less digits than its factorization.

21907630107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888 (or 5885 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The spelling of 21907630107 in words is "twenty-one billion, nine hundred seven million, six hundred thirty thousand, one hundred seven".