57641548837 has 2 divisors, whose sum is σ = 57641548838. Its totient is φ = 57641548836.

The previous prime is 57641548751. The next prime is 57641548849. The reversal of 57641548837 is 73884514675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50175552001 + 7465996836 = 223999^2 + 86406^2 .

It is a cyclic number.

It is not a de Polignac number, because 57641548837 - 2⁷ = 57641548709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57641548897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28820774418 + 28820774419.

It is an arithmetic number, because the mean of its divisors is an integer number (28820774419).

Almost surely, 2^57641548837 is an apocalyptic number.

It is an amenable number.

57641548837 is a deficient number, since it is larger than the sum of its proper divisors (1).

57641548837 is an equidigital number, since it uses as much as digits as its factorization.

57641548837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22579200, while the sum is 58.

The spelling of 57641548837 in words is "fifty-seven billion, six hundred forty-one million, five hundred forty-eight thousand, eight hundred thirty-seven".