630459263 has 32 divisors (see below), whose sum is σ = 778752000. Its totient is φ = 498161664.

The previous prime is 630459259. The next prime is 630459281. The reversal of 630459263 is 362954036.

It is not a de Polignac number, because 630459263 - 2² = 630459259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630459253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1870631 + ... + 1870967.

It is an arithmetic number, because the mean of its divisors is an integer number (24336000).

Almost surely, 2^630459263 is an apocalyptic number.

630459263 is a deficient number, since it is larger than the sum of its proper divisors (148292737).

630459263 is a wasteful number, since it uses less digits than its factorization.

630459263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 630459263 is about 25108.9478672445. The cubic root of 630459263 is about 857.4701490967.

The spelling of 630459263 in words is "six hundred thirty million, four hundred fifty-nine thousand, two hundred sixty-three".