57663331793 has 2 divisors, whose sum is σ = 57663331794. Its totient is φ = 57663331792.

The previous prime is 57663331751. The next prime is 57663331879. The reversal of 57663331793 is 39713336675.

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., 39476921344 + 18186410449 = 198688^2 + 134857^2 .

It is a cyclic number.

It is not a de Polignac number, because 57663331793 - 2¹⁸ = 57663069649 is a prime.

It is not a weakly prime, because it can be changed into another prime (57663331703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28831665896 + 28831665897.

It is an arithmetic number, because the mean of its divisors is an integer number (28831665897).

Almost surely, 2^57663331793 is an apocalyptic number.

It is an amenable number.

57663331793 is a deficient number, since it is larger than the sum of its proper divisors (1).

57663331793 is an equidigital number, since it uses as much as digits as its factorization.

57663331793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6429780, while the sum is 53.

The spelling of 57663331793 in words is "fifty-seven billion, six hundred sixty-three million, three hundred thirty-one thousand, seven hundred ninety-three".