30314497657 has 2 divisors, whose sum is σ = 30314497658. Its totient is φ = 30314497656.

The previous prime is 30314497607. The next prime is 30314497667. The reversal of 30314497657 is 75679441303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30244340281 + 70157376 = 173909^2 + 8376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30314497657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30314497657.

It is not a weakly prime, because it can be changed into another prime (30314497607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157248828 + 15157248829.

It is an arithmetic number, because the mean of its divisors is an integer number (15157248829).

Almost surely, 2^30314497657 is an apocalyptic number.

It is an amenable number.

30314497657 is a deficient number, since it is larger than the sum of its proper divisors (1).

30314497657 is an equidigital number, since it uses as much as digits as its factorization.

30314497657 is an evil number, because the sum of its binary digits is even.

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

The spelling of 30314497657 in words is "thirty billion, three hundred fourteen million, four hundred ninety-seven thousand, six hundred fifty-seven".