30868421796 has 18 divisors (see below), whose sum is σ = 78028510742. Its totient is φ = 10289473920.

The previous prime is 30868421777. The next prime is 30868421813. The reversal of 30868421796 is 69712486803.

It can be written as a sum of positive squares in only one way, i.e., 23511928896 + 7356492900 = 153336^2 + 85770^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428728045 + ... + 428728116.

Almost surely, 2^30868421796 is an apocalyptic number.

30868421796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30868421796 is an abundant number, since it is smaller than the sum of its proper divisors (47160088946).

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

30868421796 is a wasteful number, since it uses less digits than its factorization.

30868421796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857456171 (or 857456166 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 30868421796 in words is "thirty billion, eight hundred sixty-eight million, four hundred twenty-one thousand, seven hundred ninety-six".