630139498 has 8 divisors (see below), whose sum is σ = 948697920. Its totient is φ = 313906860.

The previous prime is 630139483. The next prime is 630139553. The reversal of 630139498 is 894931036.

630139498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 580768 + ... + 581851.

It is an arithmetic number, because the mean of its divisors is an integer number (118587240).

Almost surely, 2^630139498 is an apocalyptic number.

630139498 is a deficient number, since it is larger than the sum of its proper divisors (318558422).

630139498 is a wasteful number, since it uses less digits than its factorization.

630139498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162892.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 630139498 is about 25102.5795088871. The cubic root of 630139498 is about 857.3251567464.

The spelling of 630139498 in words is "six hundred thirty million, one hundred thirty-nine thousand, four hundred ninety-eight".