57947426413 has 2 divisors, whose sum is σ = 57947426414. Its totient is φ = 57947426412.

The previous prime is 57947426357. The next prime is 57947426417. The reversal of 57947426413 is 31462474975.

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., 38693643849 + 19253782564 = 196707^2 + 138758^2 .

It is a cyclic number.

It is not a de Polignac number, because 57947426413 - 2⁹ = 57947425901 is a prime.

It is a super-3 number, since 3×57947426413³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57947426417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28973713206 + 28973713207.

It is an arithmetic number, because the mean of its divisors is an integer number (28973713207).

Almost surely, 2^57947426413 is an apocalyptic number.

It is an amenable number.

57947426413 is a deficient number, since it is larger than the sum of its proper divisors (1).

57947426413 is an equidigital number, since it uses as much as digits as its factorization.

57947426413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 52.

The spelling of 57947426413 in words is "fifty-seven billion, nine hundred forty-seven million, four hundred twenty-six thousand, four hundred thirteen".