466689631 has 2 divisors, whose sum is σ = 466689632. Its totient is φ = 466689630.

The previous prime is 466689611. The next prime is 466689659. The reversal of 466689631 is 136986664.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466689631 is a prime.

It is a super-2 number, since 2×466689631² = 435598423365832322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (466689611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233344815 + 233344816.

It is an arithmetic number, because the mean of its divisors is an integer number (233344816).

Almost surely, 2^466689631 is an apocalyptic number.

466689631 is a deficient number, since it is larger than the sum of its proper divisors (1).

466689631 is an equidigital number, since it uses as much as digits as its factorization.

466689631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 49.

The square root of 466689631 is about 21603.0005091885. Note that the first 3 decimals coincide. The cubic root of 466689631 is about 775.6683134273.

The spelling of 466689631 in words is "four hundred sixty-six million, six hundred eighty-nine thousand, six hundred thirty-one".