30504491998 has 16 divisors (see below), whose sum is σ = 45843806016. Its totient is φ = 15223248000.

The previous prime is 30504491993. The next prime is 30504492019. The reversal of 30504491998 is 89919440503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504491993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3229090 + ... + 3238522.

It is an arithmetic number, because the mean of its divisors is an integer number (2865237876).

Almost surely, 2^30504491998 is an apocalyptic number.

30504491998 is a deficient number, since it is larger than the sum of its proper divisors (15339314018).

30504491998 is a wasteful number, since it uses less digits than its factorization.

30504491998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 30504491998 in words is "thirty billion, five hundred four million, four hundred ninety-one thousand, nine hundred ninety-eight".