30471376254257 has 2 divisors, whose sum is σ = 30471376254258. Its totient is φ = 30471376254256.

The previous prime is 30471376254247. The next prime is 30471376254271. The reversal of 30471376254257 is 75245267317403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29597854232881 + 873522021376 = 5440391^2 + 934624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30471376254257 is a prime.

It is not a weakly prime, because it can be changed into another prime (30471376254247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235688127128 + 15235688127129.

It is an arithmetic number, because the mean of its divisors is an integer number (15235688127129).

Almost surely, 2^{30471376254257} is an apocalyptic number.

It is an amenable number.

30471376254257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30471376254257 is an equidigital number, since it uses as much as digits as its factorization.

30471376254257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 56.

The spelling of 30471376254257 in words is "thirty trillion, four hundred seventy-one billion, three hundred seventy-six million, two hundred fifty-four thousand, two hundred fifty-seven".