36545637474 has 48 divisors (see below), whose sum is σ = 80244453120. Its totient is φ = 12018689280.

The previous prime is 36545637433. The next prime is 36545637487. The reversal of 36545637474 is 47473654563.

36545637474 is a `hidden beast` number, since 3 + 6 + 5 + 4 + 563 + 7 + 4 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 36545637474.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2048754 + ... + 2066514.

It is an arithmetic number, because the mean of its divisors is an integer number (1671759440).

Almost surely, 2^36545637474 is an apocalyptic number.

36545637474 is an abundant number, since it is smaller than the sum of its proper divisors (43698815646).

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

36545637474 is a wasteful number, since it uses less digits than its factorization.

36545637474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19295 (or 19292 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 54.

The spelling of 36545637474 in words is "thirty-six billion, five hundred forty-five million, six hundred thirty-seven thousand, four hundred seventy-four".