3655221675 has 48 divisors (see below), whose sum is σ = 7093331712. Its totient is φ = 1625788800.

The previous prime is 3655221659. The next prime is 3655221733. The reversal of 3655221675 is 5761225563.

It is not a de Polignac number, because 3655221675 - 2⁴ = 3655221659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74661 + ... + 113510.

It is an arithmetic number, because the mean of its divisors is an integer number (147777744).

Almost surely, 2^3655221675 is an apocalyptic number.

3655221675 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3655221675 is a deficient number, since it is larger than the sum of its proper divisors (3438110037).

3655221675 is a wasteful number, since it uses less digits than its factorization.

3655221675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188228 (or 188223 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 3655221675 is about 60458.4293130412. The cubic root of 3655221675 is about 1540.4155952331.

The spelling of 3655221675 in words is "three billion, six hundred fifty-five million, two hundred twenty-one thousand, six hundred seventy-five".