380650631 has 2 divisors, whose sum is σ = 380650632. Its totient is φ = 380650630.

The previous prime is 380650609. The next prime is 380650679. The reversal of 380650631 is 136056083.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 380650631 - 2¹⁸ = 380388487 is a prime.

It is a super-2 number, since 2×380650631² = 289789805761396322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380650691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190325315 + 190325316.

It is an arithmetic number, because the mean of its divisors is an integer number (190325316).

Almost surely, 2^380650631 is an apocalyptic number.

380650631 is a deficient number, since it is larger than the sum of its proper divisors (1).

380650631 is an equidigital number, since it uses as much as digits as its factorization.

380650631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 380650631 is about 19510.2698853706. The cubic root of 380650631 is about 724.7287965412.

The spelling of 380650631 in words is "three hundred eighty million, six hundred fifty thousand, six hundred thirty-one".