32564247475 has 6 divisors (see below), whose sum is σ = 40379666900. Its totient is φ = 26051397960.

The previous prime is 32564247461. The next prime is 32564247491. The reversal of 32564247475 is 57474246523.

It is not a de Polignac number, because 32564247475 - 2¹³ = 32564239283 is a prime.

It is a super-2 number, since 2×32564247475² (a number of 22 digits) contains 22 as substring.

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, 651284925 + ... + 651284974.

Almost surely, 2^32564247475 is an apocalyptic number.

32564247475 is a deficient number, since it is larger than the sum of its proper divisors (7815419425).

32564247475 is a wasteful number, since it uses less digits than its factorization.

32564247475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302569909 (or 1302569904 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 49.

The spelling of 32564247475 in words is "thirty-two billion, five hundred sixty-four million, two hundred forty-seven thousand, four hundred seventy-five".