30643207444 has 12 divisors (see below), whose sum is σ = 53628232000. Its totient is φ = 15320855448.

The previous prime is 30643207369. The next prime is 30643207447. The reversal of 30643207444 is 44470234603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643207447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89244 + ... + 263155.

Almost surely, 2^30643207444 is an apocalyptic number.

It is an amenable number.

30643207444 is a deficient number, since it is larger than the sum of its proper divisors (22985024556).

30643207444 is a wasteful number, since it uses less digits than its factorization.

30643207444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374142 (or 374140 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 37.

The spelling of 30643207444 in words is "thirty billion, six hundred forty-three million, two hundred seven thousand, four hundred forty-four".