30553193939 has 2 divisors, whose sum is σ = 30553193940. Its totient is φ = 30553193938.

The previous prime is 30553193929. The next prime is 30553193987. The reversal of 30553193939 is 93939135503.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30553193939 is a prime.

It is not a weakly prime, because it can be changed into another prime (30553193929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15276596969 + 15276596970.

It is an arithmetic number, because the mean of its divisors is an integer number (15276596970).

Almost surely, 2^30553193939 is an apocalyptic number.

30553193939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30553193939 is an equidigital number, since it uses as much as digits as its factorization.

30553193939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1476225, while the sum is 50.

The spelling of 30553193939 in words is "thirty billion, five hundred fifty-three million, one hundred ninety-three thousand, nine hundred thirty-nine".