463631957 has 2 divisors, whose sum is σ = 463631958. Its totient is φ = 463631956.

The previous prime is 463631947. The next prime is 463631981. The reversal of 463631957 is 759136364.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334377796 + 129254161 = 18286^2 + 11369^2 .

It is a cyclic number.

It is not a de Polignac number, because 463631957 - 2²² = 459437653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463631947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231815978 + 231815979.

It is an arithmetic number, because the mean of its divisors is an integer number (231815979).

Almost surely, 2^463631957 is an apocalyptic number.

It is an amenable number.

463631957 is a deficient number, since it is larger than the sum of its proper divisors (1).

463631957 is an equidigital number, since it uses as much as digits as its factorization.

463631957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 463631957 is about 21532.1145501319. The cubic root of 463631957 is about 773.9705830260.

The spelling of 463631957 in words is "four hundred sixty-three million, six hundred thirty-one thousand, nine hundred fifty-seven".