3657884965 has 16 divisors (see below), whose sum is σ = 5019384960. Its totient is φ = 2506835520.

The previous prime is 3657884953. The next prime is 3657884969. The reversal of 3657884965 is 5694887563.

It is not a de Polignac number, because 3657884965 - 2⁷ = 3657884837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3657884969) 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, 34531 + ... + 92239.

It is an arithmetic number, because the mean of its divisors is an integer number (313711560).

Almost surely, 2^3657884965 is an apocalyptic number.

3657884965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3657884965 is a deficient number, since it is larger than the sum of its proper divisors (1361499995).

3657884965 is a wasteful number, since it uses less digits than its factorization.

3657884965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59532.

The product of its digits is 43545600, while the sum is 61.

The square root of 3657884965 is about 60480.4510978548. The cubic root of 3657884965 is about 1540.7896334178.

The spelling of 3657884965 in words is "three billion, six hundred fifty-seven million, eight hundred eighty-four thousand, nine hundred sixty-five".