3674644807653 has 16 divisors (see below), whose sum is σ = 5444880792960. Its totient is φ = 2449330053408.

The previous prime is 3674644807637. The next prime is 3674644807763. The reversal of 3674644807653 is 3567084464763.

3674644807653 is a `hidden beast` number, since 3 + 6 + 74 + 6 + 448 + 0 + 76 + 53 = 666.

It is not a de Polignac number, because 3674644807653 - 2⁴ = 3674644807637 is a prime.

It is a super-2 number, since 2×3674644807653² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3674644809653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11876425 + ... + 12181902.

It is an arithmetic number, because the mean of its divisors is an integer number (340305049560).

Almost surely, 2^{3674644807653} is an apocalyptic number.

It is an amenable number.

3674644807653 is a deficient number, since it is larger than the sum of its proper divisors (1770235985307).

3674644807653 is a wasteful number, since it uses less digits than its factorization.

3674644807653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24063993 (or 24063987 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 63.

The spelling of 3674644807653 in words is "three trillion, six hundred seventy-four billion, six hundred forty-four million, eight hundred seven thousand, six hundred fifty-three".