3695122665 has 32 divisors (see below), whose sum is σ = 7074426240. Its totient is φ = 1819136448.

The previous prime is 3695122649. The next prime is 3695122681. The reversal of 3695122665 is 5662215963.

3695122665 is a `hidden beast` number, since 369 + 5 + 1 + 226 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (3695122649) and next prime (3695122681).

It is not a de Polignac number, because 3695122665 - 2⁴ = 3695122649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3695122665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1050987 + ... + 1054496.

It is an arithmetic number, because the mean of its divisors is an integer number (221075820).

Almost surely, 2^3695122665 is an apocalyptic number.

It is an amenable number.

3695122665 is a deficient number, since it is larger than the sum of its proper divisors (3379303575).

3695122665 is a wasteful number, since it uses less digits than its factorization.

3695122665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105510 (or 2105504 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 3695122665 is about 60787.5206354067. The cubic root of 3695122665 is about 1546.0004642730. Note that the first 3 decimals are identical.

The spelling of 3695122665 in words is "three billion, six hundred ninety-five million, one hundred twenty-two thousand, six hundred sixty-five".