30909791194 has 32 divisors (see below), whose sum is σ = 48869884800. Its totient is φ = 14646484800.

The previous prime is 30909791173. The next prime is 30909791197. The reversal of 30909791194 is 49119790903.

It is not an unprimeable number, because it can be changed into a prime (30909791197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443419 + ... + 508369.

It is an arithmetic number, because the mean of its divisors is an integer number (1527183900).

Almost surely, 2^30909791194 is an apocalyptic number.

30909791194 is a deficient number, since it is larger than the sum of its proper divisors (17960093606).

30909791194 is a wasteful number, since it uses less digits than its factorization.

30909791194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65158.

The product of its (nonzero) digits is 551124, while the sum is 52.

The spelling of 30909791194 in words is "thirty billion, nine hundred nine million, seven hundred ninety-one thousand, one hundred ninety-four".