30504491994 has 32 divisors (see below), whose sum is σ = 64882368576. Its totient is φ = 9527870720.

The previous prime is 30504491993. The next prime is 30504492019. The reversal of 30504491994 is 49919440503.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 635577 + ... + 681884.

It is an arithmetic number, because the mean of its divisors is an integer number (2027574018).

Almost surely, 2^30504491994 is an apocalyptic number.

30504491994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30504491994 is an abundant number, since it is smaller than the sum of its proper divisors (34377876582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30504491994 is a wasteful number, since it uses less digits than its factorization.

30504491994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317710.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 30504491994 in words is "thirty billion, five hundred four million, four hundred ninety-one thousand, nine hundred ninety-four".