2631043575971 has 2 divisors, whose sum is σ = 2631043575972. Its totient is φ = 2631043575970.

The previous prime is 2631043575911. The next prime is 2631043576069. The reversal of 2631043575971 is 1795753401362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2631043575971 - 2²⁶ = 2630976467107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2631043575911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315521787985 + 1315521787986.

It is an arithmetic number, because the mean of its divisors is an integer number (1315521787986).

Almost surely, 2^{2631043575971} is an apocalyptic number.

2631043575971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631043575971 is an equidigital number, since it uses as much as digits as its factorization.

2631043575971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 2631043575971 in words is "two trillion, six hundred thirty-one billion, forty-three million, five hundred seventy-five thousand, nine hundred seventy-one".