3807396691 has 4 divisors (see below), whose sum is σ = 4351310512. Its totient is φ = 3263482872.

The previous prime is 3807396683. The next prime is 3807396713. The reversal of 3807396691 is 1966937083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3807396691 - 2³ = 3807396683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3807396991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271956900 + ... + 271956913.

It is an arithmetic number, because the mean of its divisors is an integer number (1087827628).

Almost surely, 2^3807396691 is an apocalyptic number.

3807396691 is a deficient number, since it is larger than the sum of its proper divisors (543913821).

3807396691 is an equidigital number, since it uses as much as digits as its factorization.

3807396691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543913820.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 3807396691 is about 61704.1059492802. The cubic root of 3807396691 is about 1561.5025916597.

The spelling of 3807396691 in words is "three billion, eight hundred seven million, three hundred ninety-six thousand, six hundred ninety-one".