57462311693981 has 2 divisors, whose sum is σ = 57462311693982. Its totient is φ = 57462311693980.

The previous prime is 57462311693953. The next prime is 57462311694133. The reversal of 57462311693981 is 18939611326475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33008000977081 + 24454310716900 = 5745259^2 + 4945130^2 .

It is a cyclic number.

It is not a de Polignac number, because 57462311693981 - 2²⁶ = 57462244585117 is a prime.

It is a super-2 number, since 2×57462311693981² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57462311693951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28731155846990 + 28731155846991.

It is an arithmetic number, because the mean of its divisors is an integer number (28731155846991).

Almost surely, 2^{57462311693981} is an apocalyptic number.

It is an amenable number.

57462311693981 is a deficient number, since it is larger than the sum of its proper divisors (1).

57462311693981 is an equidigital number, since it uses as much as digits as its factorization.

57462311693981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 65.

The spelling of 57462311693981 in words is "fifty-seven trillion, four hundred sixty-two billion, three hundred eleven million, six hundred ninety-three thousand, nine hundred eighty-one".