30947449290 has 16 divisors (see below), whose sum is σ = 74273878368. Its totient is φ = 8252653136.

The previous prime is 30947449271. The next prime is 30947449333. The reversal of 30947449290 is 9294474903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515790792 + ... + 515790851.

It is an arithmetic number, because the mean of its divisors is an integer number (4642117398).

Almost surely, 2^30947449290 is an apocalyptic number.

30947449290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30947449290 is an abundant number, since it is smaller than the sum of its proper divisors (43326429078).

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

30947449290 is a wasteful number, since it uses less digits than its factorization.

30947449290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031581653.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 30947449290 in words is "thirty billion, nine hundred forty-seven million, four hundred forty-nine thousand, two hundred ninety".