21876650094472 has 16 divisors (see below), whose sum is σ = 41065278212700. Its totient is φ = 10925909237760.

The previous prime is 21876650094443. The next prime is 21876650094487. The reversal of 21876650094472 is 27449005667812.

It can be written as a sum of positive squares in 2 ways, for example, as 21862039570596 + 14610523876 = 4675686^2 + 120874^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21876650094472.

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, 1551968697 + ... + 1551982792.

Almost surely, 2^{21876650094472} is an apocalyptic number.

It is an amenable number.

21876650094472 is a deficient number, since it is larger than the sum of its proper divisors (19188628118228).

21876650094472 is a wasteful number, since it uses less digits than its factorization.

21876650094472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103952376 (or 3103952372 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 21876650094472 in words is "twenty-one trillion, eight hundred seventy-six billion, six hundred fifty million, ninety-four thousand, four hundred seventy-two".