3990762504947 has 2 divisors, whose sum is σ = 3990762504948. Its totient is φ = 3990762504946.

The previous prime is 3990762504917. The next prime is 3990762505001. The reversal of 3990762504947 is 7494052670993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3990762504947 - 2²⁸ = 3990494069491 is a prime.

It is not a weakly prime, because it can be changed into another prime (3990762504917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995381252473 + 1995381252474.

It is an arithmetic number, because the mean of its divisors is an integer number (1995381252474).

Almost surely, 2^{3990762504947} is an apocalyptic number.

3990762504947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990762504947 is an equidigital number, since it uses as much as digits as its factorization.

3990762504947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102876480, while the sum is 65.

The spelling of 3990762504947 in words is "three trillion, nine hundred ninety billion, seven hundred sixty-two million, five hundred four thousand, nine hundred forty-seven".