869248631 has 2 divisors, whose sum is σ = 869248632. Its totient is φ = 869248630.

The previous prime is 869248619. The next prime is 869248643. The reversal of 869248631 is 136842968.

It is a balanced prime because it is at equal distance from previous prime (869248619) and next prime (869248643).

It is a cyclic number.

It is not a de Polignac number, because 869248631 - 2¹⁰ = 869247607 is a prime.

It is a super-2 number, since 2×869248631² = 1511186364990748322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869248661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434624315 + 434624316.

It is an arithmetic number, because the mean of its divisors is an integer number (434624316).

Almost surely, 2^869248631 is an apocalyptic number.

869248631 is a deficient number, since it is larger than the sum of its proper divisors (1).

869248631 is an equidigital number, since it uses as much as digits as its factorization.

869248631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 869248631 is about 29483.0227588692. The cubic root of 869248631 is about 954.3653691360.

The spelling of 869248631 in words is "eight hundred sixty-nine million, two hundred forty-eight thousand, six hundred thirty-one".