995631919 has 2 divisors, whose sum is σ = 995631920. Its totient is φ = 995631918.

The previous prime is 995631899. The next prime is 995631937. The reversal of 995631919 is 919136599.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 995631919 - 2²⁹ = 458761007 is a prime.

It is a super-2 number, since 2×995631919² = 1982565836263245122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995631419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497815959 + 497815960.

It is an arithmetic number, because the mean of its divisors is an integer number (497815960).

Almost surely, 2^995631919 is an apocalyptic number.

995631919 is the 18218-th hex number.

995631919 is a deficient number, since it is larger than the sum of its proper divisors (1).

995631919 is an equidigital number, since it uses as much as digits as its factorization.

995631919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 590490, while the sum is 52.

The square root of 995631919 is about 31553.6355908475. The cubic root of 995631919 is about 998.5418478257.

The spelling of 995631919 in words is "nine hundred ninety-five million, six hundred thirty-one thousand, nine hundred nineteen".