247415360417 has 2 divisors, whose sum is σ = 247415360418. Its totient is φ = 247415360416.

The previous prime is 247415360411. The next prime is 247415360447. The reversal of 247415360417 is 714063514742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244447181056 + 2968179361 = 494416^2 + 54481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247415360417 is a prime.

It is a super-2 number, since 2×247415360417² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247415360411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123707680208 + 123707680209.

It is an arithmetic number, because the mean of its divisors is an integer number (123707680209).

Almost surely, 2^247415360417 is an apocalyptic number.

It is an amenable number.

247415360417 is a deficient number, since it is larger than the sum of its proper divisors (1).

247415360417 is an equidigital number, since it uses as much as digits as its factorization.

247415360417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 247415360417 in words is "two hundred forty-seven billion, four hundred fifteen million, three hundred sixty thousand, four hundred seventeen".