3990762505001 has 2 divisors, whose sum is σ = 3990762505002. Its totient is φ = 3990762505000.

The previous prime is 3990762504947. The next prime is 3990762505021. The reversal of 3990762505001 is 1005052670993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3981824693401 + 8937811600 = 1995451^2 + 94540^2 .

It is a cyclic number.

It is not a de Polignac number, because 3990762505001 - 2³⁴ = 3973582635817 is a prime.

It is not a weakly prime, because it can be changed into another prime (3990762505021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995381252500 + 1995381252501.

It is an arithmetic number, because the mean of its divisors is an integer number (1995381252501).

Almost surely, 2^{3990762505001} is an apocalyptic number.

It is an amenable number.

3990762505001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990762505001 is an equidigital number, since it uses as much as digits as its factorization.

3990762505001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 3990762505001 in words is "three trillion, nine hundred ninety billion, seven hundred sixty-two million, five hundred five thousand, one".