870926418491 has 2 divisors, whose sum is σ = 870926418492. Its totient is φ = 870926418490.

The previous prime is 870926418443. The next prime is 870926418559. The reversal of 870926418491 is 194814629078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870926418491 - 2²⁶ = 870859309627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870926418491.

It is not a weakly prime, because it can be changed into another prime (870926408491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435463209245 + 435463209246.

It is an arithmetic number, because the mean of its divisors is an integer number (435463209246).

Almost surely, 2^870926418491 is an apocalyptic number.

870926418491 is a deficient number, since it is larger than the sum of its proper divisors (1).

870926418491 is an equidigital number, since it uses as much as digits as its factorization.

870926418491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 870926418491 in words is "eight hundred seventy billion, nine hundred twenty-six million, four hundred eighteen thousand, four hundred ninety-one".