871034603533631 has 2 divisors, whose sum is σ = 871034603533632. Its totient is φ = 871034603533630.

The previous prime is 871034603533571. The next prime is 871034603533741. The reversal of 871034603533631 is 136335306430178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 871034603533631 - 2³⁰ = 871033529791807 is a prime.

It is a super-2 number, since 2×871034603533631² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (871034603533331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435517301766815 + 435517301766816.

It is an arithmetic number, because the mean of its divisors is an integer number (435517301766816).

Almost surely, 2^{871034603533631} is an apocalyptic number.

871034603533631 is a deficient number, since it is larger than the sum of its proper divisors (1).

871034603533631 is an equidigital number, since it uses as much as digits as its factorization.

871034603533631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 53.

The spelling of 871034603533631 in words is "eight hundred seventy-one trillion, thirty-four billion, six hundred three million, five hundred thirty-three thousand, six hundred thirty-one".