3696605876691 has 288 divisors, whose sum is σ = 7025770752000. Its totient is φ = 1854128102400.

The previous prime is 3696605876659. The next prime is 3696605876693. The reversal of 3696605876691 is 1966785066963.

It is a happy number.

3696605876691 is a `hidden beast` number, since 3 + 6 + 9 + 6 + 605 + 8 + 7 + 6 + 6 + 9 + 1 = 666.

It is not a de Polignac number, because 3696605876691 - 2⁵ = 3696605876659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3696605876693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6473915436 + ... + 6473916006.

Almost surely, 2^{3696605876691} is an apocalyptic number.

3696605876691 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3696605876691 is a deficient number, since it is larger than the sum of its proper divisors (3329164875309).

3696605876691 is a wasteful number, since it uses less digits than its factorization.

3696605876691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 3696605876691 in words is "three trillion, six hundred ninety-six billion, six hundred five million, eight hundred seventy-six thousand, six hundred ninety-one".