21532875050 has 12 divisors (see below), whose sum is σ = 40051147686. Its totient is φ = 8613150000.

The previous prime is 21532875037. The next prime is 21532875071. The reversal of 21532875050 is 5057823512.

It can be written as a sum of positive squares in 3 ways, for example, as 16371458401 + 5161416649 = 127951^2 + 71843^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 21532874995 and 21532875013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215328701 + ... + 215328800.

Almost surely, 2^21532875050 is an apocalyptic number.

21532875050 is a deficient number, since it is larger than the sum of its proper divisors (18518272636).

21532875050 is a wasteful number, since it uses less digits than its factorization.

21532875050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430657513 (or 430657508 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 21532875050 in words is "twenty-one billion, five hundred thirty-two million, eight hundred seventy-five thousand, fifty".