3997100791 has 2 divisors, whose sum is σ = 3997100792. Its totient is φ = 3997100790.

The previous prime is 3997100771. The next prime is 3997100801. The reversal of 3997100791 is 1970017993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3997100791 - 2⁷ = 3997100663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3997100771) 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 as a sum of consecutive naturals, namely, 1998550395 + 1998550396.

It is an arithmetic number, because the mean of its divisors is an integer number (1998550396).

Almost surely, 2^3997100791 is an apocalyptic number.

3997100791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3997100791 is an equidigital number, since it uses as much as digits as its factorization.

3997100791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 3997100791 is about 63222.6287890657. The cubic root of 3997100791 is about 1587.0174419881.

The spelling of 3997100791 in words is "three billion, nine hundred ninety-seven million, one hundred thousand, seven hundred ninety-one".