630154984 has 16 divisors (see below), whose sum is σ = 1181823300. Its totient is φ = 315002112.

The previous prime is 630154937. The next prime is 630155023. The reversal of 630154984 is 489451036.

It can be written as a sum of positive squares in 2 ways, for example, as 624500100 + 5654884 = 24990^2 + 2378^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43762 + ... + 56350.

Almost surely, 2^630154984 is an apocalyptic number.

It is an amenable number.

630154984 is a deficient number, since it is larger than the sum of its proper divisors (551668316).

630154984 is a wasteful number, since it uses less digits than its factorization.

630154984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18852 (or 18848 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 630154984 is about 25102.8879613482. The cubic root of 630154984 is about 857.3321797567.

The spelling of 630154984 in words is "six hundred thirty million, one hundred fifty-four thousand, nine hundred eighty-four".