473641631 has 2 divisors, whose sum is σ = 473641632. Its totient is φ = 473641630.

The previous prime is 473641627. The next prime is 473641661. The reversal of 473641631 is 136146374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473641631 - 2² = 473641627 is a prime.

It is a super-2 number, since 2×473641631² = 448672789232680322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 473641591 and 473641600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473641661) 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, 236820815 + 236820816.

It is an arithmetic number, because the mean of its divisors is an integer number (236820816).

Almost surely, 2^473641631 is an apocalyptic number.

473641631 is a deficient number, since it is larger than the sum of its proper divisors (1).

473641631 is an equidigital number, since it uses as much as digits as its factorization.

473641631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 473641631 is about 21763.3092842058. The cubic root of 473641631 is about 779.5009030438.

The spelling of 473641631 in words is "four hundred seventy-three million, six hundred forty-one thousand, six hundred thirty-one".