30668157337 has 2 divisors, whose sum is σ = 30668157338. Its totient is φ = 30668157336.

The previous prime is 30668157319. The next prime is 30668157383. The reversal of 30668157337 is 73375186603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18704391696 + 11963765641 = 136764^2 + 109379^2 .

It is a cyclic number.

It is not a de Polignac number, because 30668157337 - 2⁷ = 30668157209 is a prime.

It is not a weakly prime, because it can be changed into another prime (30668157397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15334078668 + 15334078669.

It is an arithmetic number, because the mean of its divisors is an integer number (15334078669).

Almost surely, 2^30668157337 is an apocalyptic number.

It is an amenable number.

30668157337 is a deficient number, since it is larger than the sum of its proper divisors (1).

30668157337 is an equidigital number, since it uses as much as digits as its factorization.

30668157337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 30668157337 in words is "thirty billion, six hundred sixty-eight million, one hundred fifty-seven thousand, three hundred thirty-seven".