30433148917 has 2 divisors, whose sum is σ = 30433148918. Its totient is φ = 30433148916.

The previous prime is 30433148903. The next prime is 30433148959. The reversal of 30433148917 is 71984133403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23631683076 + 6801465841 = 153726^2 + 82471^2 .

It is a cyclic number.

It is not a de Polignac number, because 30433148917 - 2²³ = 30424760309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30433148617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216574458 + 15216574459.

It is an arithmetic number, because the mean of its divisors is an integer number (15216574459).

Almost surely, 2^30433148917 is an apocalyptic number.

It is an amenable number.

30433148917 is a deficient number, since it is larger than the sum of its proper divisors (1).

30433148917 is an equidigital number, since it uses as much as digits as its factorization.

30433148917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 30433148917 in words is "thirty billion, four hundred thirty-three million, one hundred forty-eight thousand, nine hundred seventeen".