57108967213 has 2 divisors, whose sum is σ = 57108967214. Its totient is φ = 57108967212.

The previous prime is 57108967193. The next prime is 57108967217. The reversal of 57108967213 is 31276980175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29686600804 + 27422366409 = 172298^2 + 165597^2 .

It is a cyclic number.

It is not a de Polignac number, because 57108967213 - 2⁹ = 57108966701 is a prime.

It is a super-2 number, since 2×57108967213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57108967217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28554483606 + 28554483607.

It is an arithmetic number, because the mean of its divisors is an integer number (28554483607).

Almost surely, 2^57108967213 is an apocalyptic number.

It is an amenable number.

57108967213 is a deficient number, since it is larger than the sum of its proper divisors (1).

57108967213 is an equidigital number, since it uses as much as digits as its factorization.

57108967213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 57108967213 in words is "fifty-seven billion, one hundred eight million, nine hundred sixty-seven thousand, two hundred thirteen".