30453893812 has 6 divisors (see below), whose sum is σ = 53294314178. Its totient is φ = 15226946904.

The previous prime is 30453893791. The next prime is 30453893819. The reversal of 30453893812 is 21839835403.

It can be written as a sum of positive squares in only one way, i.e., 16880245776 + 13573648036 = 129924^2 + 116506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30453893819) 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 as a sum of consecutive naturals, namely, 3806736723 + ... + 3806736730.

Almost surely, 2^30453893812 is an apocalyptic number.

It is an amenable number.

30453893812 is a deficient number, since it is larger than the sum of its proper divisors (22840420366).

30453893812 is a wasteful number, since it uses less digits than its factorization.

30453893812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613473457 (or 7613473455 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 30453893812 in words is "thirty billion, four hundred fifty-three million, eight hundred ninety-three thousand, eight hundred twelve".