57943175249 has 2 divisors, whose sum is σ = 57943175250. Its totient is φ = 57943175248.

The previous prime is 57943175239. The next prime is 57943175267. The reversal of 57943175249 is 94257134975.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57584641024 + 358534225 = 239968^2 + 18935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57943175249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57943175194 and 57943175203.

It is not a weakly prime, because it can be changed into another prime (57943175239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28971587624 + 28971587625.

It is an arithmetic number, because the mean of its divisors is an integer number (28971587625).

Almost surely, 2^57943175249 is an apocalyptic number.

It is an amenable number.

57943175249 is a deficient number, since it is larger than the sum of its proper divisors (1).

57943175249 is an equidigital number, since it uses as much as digits as its factorization.

57943175249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 56.

The spelling of 57943175249 in words is "fifty-seven billion, nine hundred forty-three million, one hundred seventy-five thousand, two hundred forty-nine".