21918295962 has 48 divisors (see below), whose sum is σ = 48431639880. Its totient is φ = 7161438336.

The previous prime is 21918295951. The next prime is 21918295963. The reversal of 21918295962 is 26959281912.

21918295962 is a `hidden beast` number, since 2 + 19 + 18 + 29 + 596 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7913703681 + 14004592281 = 88959^2 + 118341^2 .

It is a super-3 number, since 3×21918295962³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21918295899 and 21918295908.

It is not an unprimeable number, because it can be changed into a prime (21918295963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047628 + ... + 1068344.

Almost surely, 2^21918295962 is an apocalyptic number.

21918295962 is an abundant number, since it is smaller than the sum of its proper divisors (26513343918).

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

21918295962 is a wasteful number, since it uses less digits than its factorization.

21918295962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887 (or 21884 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 21918295962 in words is "twenty-one billion, nine hundred eighteen million, two hundred ninety-five thousand, nine hundred sixty-two".