3651059240964 has 84 divisors (see below), whose sum is σ = 9909981162060. Its totient is φ = 1175053521600.

The previous prime is 3651059240929. The next prime is 3651059240987. The reversal of 3651059240964 is 4690429501563.

3651059240964 is a `hidden beast` number, since 3 + 6 + 5 + 1 + 0 + 592 + 40 + 9 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3108140792064 + 542918448900 = 1762992^2 + 736830^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3651059240964.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21502987 + ... + 21672114.

It is an arithmetic number, because the mean of its divisors is an integer number (117975966215).

Almost surely, 2^{3651059240964} is an apocalyptic number.

It is an amenable number.

3651059240964 is an abundant number, since it is smaller than the sum of its proper divisors (6258921921096).

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

3651059240964 is a wasteful number, since it uses less digits than its factorization.

3651059240964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43175152 (or 43175135 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

It can be divided in two parts, 365105 and 9240964, that added together give a palindrome (9606069).

The spelling of 3651059240964 in words is "three trillion, six hundred fifty-one billion, fifty-nine million, two hundred forty thousand, nine hundred sixty-four".