630958539 has 16 divisors (see below), whose sum is σ = 871718400. Its totient is φ = 405466656.

The previous prime is 630958513. The next prime is 630958541. The reversal of 630958539 is 935859036.

It is not a de Polignac number, because 630958539 - 2⁷ = 630958411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630958639) 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 15 ways as a sum of consecutive naturals, for example, 50302 + ... + 61580.

It is an arithmetic number, because the mean of its divisors is an integer number (54482400).

Almost surely, 2^630958539 is an apocalyptic number.

630958539 is a deficient number, since it is larger than the sum of its proper divisors (240759861).

630958539 is a wasteful number, since it uses less digits than its factorization.

630958539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954.

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 630958539 is about 25118.8880924296. Note that the first 3 decimals coincide. The cubic root of 630958539 is about 857.6964398499.

The spelling of 630958539 in words is "six hundred thirty million, nine hundred fifty-eight thousand, five hundred thirty-nine".