245374365564 has 36 divisors (see below), whose sum is σ = 626392985400. Its totient is φ = 80981637600.

The previous prime is 245374365541. The next prime is 245374365629. The reversal of 245374365564 is 465563473542.

245374365564 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 74 + 3 + 6 + 5 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 245374365564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33738714 + ... + 33745985.

It is an arithmetic number, because the mean of its divisors is an integer number (17399805150).

Almost surely, 2^245374365564 is an apocalyptic number.

It is an amenable number.

245374365564 is an abundant number, since it is smaller than the sum of its proper divisors (381018619836).

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

245374365564 is a wasteful number, since it uses less digits than its factorization.

245374365564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67484810 (or 67484805 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 54.

The spelling of 245374365564 in words is "two hundred forty-five billion, three hundred seventy-four million, three hundred sixty-five thousand, five hundred sixty-four".