30447199943 has 2 divisors, whose sum is σ = 30447199944. Its totient is φ = 30447199942.

The previous prime is 30447199907. The next prime is 30447200027. The reversal of 30447199943 is 34999174403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30447199943 - 2¹² = 30447195847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30447199043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15223599971 + 15223599972.

It is an arithmetic number, because the mean of its divisors is an integer number (15223599972).

Almost surely, 2^30447199943 is an apocalyptic number.

30447199943 is a deficient number, since it is larger than the sum of its proper divisors (1).

30447199943 is an equidigital number, since it uses as much as digits as its factorization.

30447199943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 30447199943 in words is "thirty billion, four hundred forty-seven million, one hundred ninety-nine thousand, nine hundred forty-three".