57969870457 has 2 divisors, whose sum is σ = 57969870458. Its totient is φ = 57969870456.

The previous prime is 57969870433. The next prime is 57969870467. The reversal of 57969870457 is 75407896975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46206081936 + 11763788521 = 214956^2 + 108461^2 .

It is a cyclic number.

It is not a de Polignac number, because 57969870457 - 2²³ = 57961481849 is a prime.

It is a super-2 number, since 2×57969870457² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57969870392 and 57969870401.

It is not a weakly prime, because it can be changed into another prime (57969870467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28984935228 + 28984935229.

It is an arithmetic number, because the mean of its divisors is an integer number (28984935229).

Almost surely, 2^57969870457 is an apocalyptic number.

It is an amenable number.

57969870457 is a deficient number, since it is larger than the sum of its proper divisors (1).

57969870457 is an equidigital number, since it uses as much as digits as its factorization.

57969870457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 133358400, while the sum is 67.

The spelling of 57969870457 in words is "fifty-seven billion, nine hundred sixty-nine million, eight hundred seventy thousand, four hundred fifty-seven".