30489187922 has 54 divisors (see below), whose sum is σ = 48710513061. Its totient is φ = 14312526480.

The previous prime is 30489187913. The next prime is 30489187951. The reversal of 30489187922 is 22978198403.

It can be written as a sum of positive squares in 2 ways, for example, as 24598471921 + 5890716001 = 156839^2 + 76751^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123469.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 429425147 + ... + 429425217.

Almost surely, 2^30489187922 is an apocalyptic number.

30489187922 is a deficient number, since it is larger than the sum of its proper divisors (18221325139).

30489187922 is an frugal number, since it uses more digits than its factorization.

30489187922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 30489187922 in words is "thirty billion, four hundred eighty-nine million, one hundred eighty-seven thousand, nine hundred twenty-two".