3656214045 has 60 divisors (see below), whose sum is σ = 7204192380. Its totient is φ = 1772686080.

The previous prime is 3656214031. The next prime is 3656214047. The reversal of 3656214045 is 5404126563.

It can be written as a sum of positive squares in 2 ways, for example, as 2640007161 + 1016206884 = 51381^2 + 31878^2 .

It is not a de Polignac number, because 3656214045 - 2⁵ = 3656214013 is a prime.

It is a super-2 number, since 2×3656214045² = 26735802285710524050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656214047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11701 + ... + 86309.

It is an arithmetic number, because the mean of its divisors is an integer number (120069873).

Almost surely, 2^3656214045 is an apocalyptic number.

It is an amenable number.

3656214045 is a deficient number, since it is larger than the sum of its proper divisors (3547978335).

3656214045 is a wasteful number, since it uses less digits than its factorization.

3656214045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74648 (or 74628 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3656214045 is about 60466.6358002494. The cubic root of 3656214045 is about 1540.5549870439.

The spelling of 3656214045 in words is "three billion, six hundred fifty-six million, two hundred fourteen thousand, forty-five".