630926383 has 2 divisors, whose sum is σ = 630926384. Its totient is φ = 630926382.

The previous prime is 630926357. The next prime is 630926393. The reversal of 630926383 is 383629036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630926383 - 2⁹ = 630925871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630926393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315463191 + 315463192.

It is an arithmetic number, because the mean of its divisors is an integer number (315463192).

Almost surely, 2^630926383 is an apocalyptic number.

630926383 is a deficient number, since it is larger than the sum of its proper divisors (1).

630926383 is an equidigital number, since it uses as much as digits as its factorization.

630926383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 630926383 is about 25118.2480081713. The cubic root of 630926383 is about 857.6818691328.

The spelling of 630926383 in words is "six hundred thirty million, nine hundred twenty-six thousand, three hundred eighty-three".