57240767732069 has 2 divisors, whose sum is σ = 57240767732070. Its totient is φ = 57240767732068.

The previous prime is 57240767731993. The next prime is 57240767732147. The reversal of 57240767732069 is 96023776704275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30360794263969 + 26879973468100 = 5510063^2 + 5184590^2 .

It is a cyclic number.

It is not a de Polignac number, because 57240767732069 - 2³² = 57236472764773 is a prime.

It is a super-2 number, since 2×57240767732069² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57240767731996 and 57240767732014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57240767332069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620383866034 + 28620383866035.

It is an arithmetic number, because the mean of its divisors is an integer number (28620383866035).

Almost surely, 2^{57240767732069} is an apocalyptic number.

It is an amenable number.

57240767732069 is a deficient number, since it is larger than the sum of its proper divisors (1).

57240767732069 is an equidigital number, since it uses as much as digits as its factorization.

57240767732069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186701760, while the sum is 65.

The spelling of 57240767732069 in words is "fifty-seven trillion, two hundred forty billion, seven hundred sixty-seven million, seven hundred thirty-two thousand, sixty-nine".