21362856795 has 48 divisors (see below), whose sum is σ = 44808154560. Its totient is φ = 9191411712.

The previous prime is 21362856791. The next prime is 21362856799. The reversal of 21362856795 is 59765826312.

21362856795 is a `hidden beast` number, since 2 + 1 + 3 + 628 + 5 + 6 + 7 + 9 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (21362856791) and next prime (21362856799).

It is not a de Polignac number, because 21362856795 - 2² = 21362856791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21362856791) 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, 1989310 + ... + 2000019.

It is an arithmetic number, because the mean of its divisors is an integer number (933503220).

Almost surely, 2^21362856795 is an apocalyptic number.

21362856795 is an abundant number, since it is smaller than the sum of its proper divisors (23445297765).

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

21362856795 is a wasteful number, since it uses less digits than its factorization.

21362856795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989364 (or 3989361 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 21362856795 in words is "twenty-one billion, three hundred sixty-two million, eight hundred fifty-six thousand, seven hundred ninety-five".