57237404853749 has 2 divisors, whose sum is σ = 57237404853750. Its totient is φ = 57237404853748.

The previous prime is 57237404853661. The next prime is 57237404853791. The reversal of 57237404853749 is 94735840473275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56196837567025 + 1040567286724 = 7496455^2 + 1020082^2 .

It is a cyclic number.

It is not a de Polignac number, because 57237404853749 - 2³² = 57233109886453 is a prime.

It is a super-2 number, since 2×57237404853749² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57237404850749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28618702426874 + 28618702426875.

It is an arithmetic number, because the mean of its divisors is an integer number (28618702426875).

Almost surely, 2^{57237404853749} is an apocalyptic number.

It is an amenable number.

57237404853749 is a deficient number, since it is larger than the sum of its proper divisors (1).

57237404853749 is an equidigital number, since it uses as much as digits as its factorization.

57237404853749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 711244800, while the sum is 68.

The spelling of 57237404853749 in words is "fifty-seven trillion, two hundred thirty-seven billion, four hundred four million, eight hundred fifty-three thousand, seven hundred forty-nine".