5901663683491 has 2 divisors, whose sum is σ = 5901663683492. Its totient is φ = 5901663683490.

The previous prime is 5901663683479. The next prime is 5901663683497. The reversal of 5901663683491 is 1943863661095.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5901663683491 - 2¹⁷ = 5901663552419 is a prime.

It is not a weakly prime, because it can be changed into another prime (5901663683497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2950831841745 + 2950831841746.

It is an arithmetic number, because the mean of its divisors is an integer number (2950831841746).

Almost surely, 2^{5901663683491} is an apocalyptic number.

5901663683491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5901663683491 is an equidigital number, since it uses as much as digits as its factorization.

5901663683491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 5901663683491 in words is "five trillion, nine hundred one billion, six hundred sixty-three million, six hundred eighty-three thousand, four hundred ninety-one".