57202323149 has 2 divisors, whose sum is σ = 57202323150. Its totient is φ = 57202323148.

The previous prime is 57202323131. The next prime is 57202323203. The reversal of 57202323149 is 94132320275.

57202323149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38874037225 + 18328285924 = 197165^2 + 135382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57202323149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57202326149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28601161574 + 28601161575.

It is an arithmetic number, because the mean of its divisors is an integer number (28601161575).

Almost surely, 2^57202323149 is an apocalyptic number.

It is an amenable number.

57202323149 is a deficient number, since it is larger than the sum of its proper divisors (1).

57202323149 is an equidigital number, since it uses as much as digits as its factorization.

57202323149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 57202323149 in words is "fifty-seven billion, two hundred two million, three hundred twenty-three thousand, one hundred forty-nine".