57948494479 has 2 divisors, whose sum is σ = 57948494480. Its totient is φ = 57948494478.

The previous prime is 57948494453. The next prime is 57948494519. The reversal of 57948494479 is 97449484975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57948494479 - 2²³ = 57940105871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57948498479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28974247239 + 28974247240.

It is an arithmetic number, because the mean of its divisors is an integer number (28974247240).

Almost surely, 2^57948494479 is an apocalyptic number.

57948494479 is a deficient number, since it is larger than the sum of its proper divisors (1).

57948494479 is an equidigital number, since it uses as much as digits as its factorization.

57948494479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 365783040, while the sum is 70.

The spelling of 57948494479 in words is "fifty-seven billion, nine hundred forty-eight million, four hundred ninety-four thousand, four hundred seventy-nine".