3312501691 has 2 divisors, whose sum is σ = 3312501692. Its totient is φ = 3312501690.

The previous prime is 3312501677. The next prime is 3312501707. The reversal of 3312501691 is 1961052133.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3312501691 is a prime.

It is not a weakly prime, because it can be changed into another prime (3312501601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656250845 + 1656250846.

It is an arithmetic number, because the mean of its divisors is an integer number (1656250846).

Almost surely, 2^3312501691 is an apocalyptic number.

3312501691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3312501691 is an equidigital number, since it uses as much as digits as its factorization.

3312501691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 3312501691 is about 57554.3368565741. The cubic root of 3312501691 is about 1490.6832430957.

The spelling of 3312501691 in words is "three billion, three hundred twelve million, five hundred one thousand, six hundred ninety-one".