474691631 has 2 divisors, whose sum is σ = 474691632. Its totient is φ = 474691630.

The previous prime is 474691619. The next prime is 474691661. The reversal of 474691631 is 136196474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474691631 - 2²² = 470497327 is a prime.

It is a super-2 number, since 2×474691631² = 450664289082880322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474691661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237345815 + 237345816.

It is an arithmetic number, because the mean of its divisors is an integer number (237345816).

Almost surely, 2^474691631 is an apocalyptic number.

474691631 is a deficient number, since it is larger than the sum of its proper divisors (1).

474691631 is an equidigital number, since it uses as much as digits as its factorization.

474691631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 474691631 is about 21787.4190991040. The cubic root of 474691631 is about 780.0764942512.

The spelling of 474691631 in words is "four hundred seventy-four million, six hundred ninety-one thousand, six hundred thirty-one".