630584654 has 64 divisors (see below), whose sum is σ = 1166607360. Its totient is φ = 249661440.

The previous prime is 630584641. The next prime is 630584657. The reversal of 630584654 is 456485036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630584657) 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 in 31 ways as a sum of consecutive naturals, for example, 3267182 + ... + 3267374.

It is an arithmetic number, because the mean of its divisors is an integer number (18228240).

Almost surely, 2^630584654 is an apocalyptic number.

630584654 is a deficient number, since it is larger than the sum of its proper divisors (536022706).

630584654 is a wasteful number, since it uses less digits than its factorization.

630584654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 630584654 is about 25111.4446816586. Note that the first 3 decimals coincide. The cubic root of 630584654 is about 857.5269922683.

The spelling of 630584654 in words is "six hundred thirty million, five hundred eighty-four thousand, six hundred fifty-four".