21360485716 has 12 divisors (see below), whose sum is σ = 37418577280. Its totient is φ = 10669463640.

The previous prime is 21360485677. The next prime is 21360485743. The reversal of 21360485716 is 61758406312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690346 + ... + 2698273.

Almost surely, 2^21360485716 is an apocalyptic number.

It is an amenable number.

21360485716 is a deficient number, since it is larger than the sum of its proper divisors (16058091564).

21360485716 is a wasteful number, since it uses less digits than its factorization.

21360485716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389614 (or 5389612 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 21360485716 in words is "twenty-one billion, three hundred sixty million, four hundred eighty-five thousand, seven hundred sixteen".