21703645314 has 24 divisors (see below), whose sum is σ = 50641839612. Its totient is φ = 6678044640.

The previous prime is 21703645283. The next prime is 21703645331. The reversal of 21703645314 is 41354630712.

21703645314 is a `hidden beast` number, since 2 + 1 + 7 + 0 + 3 + 645 + 3 + 1 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21599299089 + 104346225 = 146967^2 + 10215^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46375077 + ... + 46375544.

Almost surely, 2^21703645314 is an apocalyptic number.

21703645314 is an abundant number, since it is smaller than the sum of its proper divisors (28938194298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21703645314 is a wasteful number, since it uses less digits than its factorization.

21703645314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92750642 (or 92750639 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 21703645314 in words is "twenty-one billion, seven hundred three million, six hundred forty-five thousand, three hundred fourteen".