30690893924 has 12 divisors (see below), whose sum is σ = 53732023548. Its totient is φ = 15338887200.

The previous prime is 30690893911. The next prime is 30690893929. The reversal of 30690893924 is 42939809603.

It can be written as a sum of positive squares in 2 ways, for example, as 24507902500 + 6182991424 = 156550^2 + 78632^2 .

It is not an unprimeable number, because it can be changed into a prime (30690893929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629407 + ... + 1648134.

It is an arithmetic number, because the mean of its divisors is an integer number (4477668629).

Almost surely, 2^30690893924 is an apocalyptic number.

It is an amenable number.

30690893924 is a deficient number, since it is larger than the sum of its proper divisors (23041129624).

30690893924 is a wasteful number, since it uses less digits than its factorization.

30690893924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279886 (or 3279884 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 30690893924 in words is "thirty billion, six hundred ninety million, eight hundred ninety-three thousand, nine hundred twenty-four".