897918930263 has 2 divisors, whose sum is σ = 897918930264. Its totient is φ = 897918930262.

The previous prime is 897918930253. The next prime is 897918930283. The reversal of 897918930263 is 362039819798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897918930263 - 2²⁰ = 897917881687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897918930263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897918930253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448959465131 + 448959465132.

It is an arithmetic number, because the mean of its divisors is an integer number (448959465132).

Almost surely, 2^897918930263 is an apocalyptic number.

897918930263 is a deficient number, since it is larger than the sum of its proper divisors (1).

897918930263 is an equidigital number, since it uses as much as digits as its factorization.

897918930263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The spelling of 897918930263 in words is "eight hundred ninety-seven billion, nine hundred eighteen million, nine hundred thirty thousand, two hundred sixty-three".