247875393795473 has 2 divisors, whose sum is σ = 247875393795474. Its totient is φ = 247875393795472.

The previous prime is 247875393795467. The next prime is 247875393795487. The reversal of 247875393795473 is 374597393578742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129604722741649 + 118270671053824 = 11384407^2 + 10875232^2 .

It is a cyclic number.

It is not a de Polignac number, because 247875393795473 - 2³⁴ = 247858213926289 is a prime.

It is a super-2 number, since 2×247875393795473² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247875393795391 and 247875393795400.

It is not a weakly prime, because it can be changed into another prime (247875393395473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123937696897736 + 123937696897737.

It is an arithmetic number, because the mean of its divisors is an integer number (123937696897737).

Almost surely, 2^{247875393795473} is an apocalyptic number.

It is an amenable number.

247875393795473 is a deficient number, since it is larger than the sum of its proper divisors (1).

247875393795473 is an equidigital number, since it uses as much as digits as its factorization.

247875393795473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33606316800, while the sum is 83.

The spelling of 247875393795473 in words is "two hundred forty-seven trillion, eight hundred seventy-five billion, three hundred ninety-three million, seven hundred ninety-five thousand, four hundred seventy-three".