57481127789 has 2 divisors, whose sum is σ = 57481127790. Its totient is φ = 57481127788.

The previous prime is 57481127773. The next prime is 57481127791. The reversal of 57481127789 is 98772118475.

57481127789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45149025289 + 12332102500 = 212483^2 + 111050^2 .

It is a cyclic number.

It is not a de Polignac number, because 57481127789 - 2⁴ = 57481127773 is a prime.

Together with 57481127791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57481127689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28740563894 + 28740563895.

It is an arithmetic number, because the mean of its divisors is an integer number (28740563895).

Almost surely, 2^57481127789 is an apocalyptic number.

It is an amenable number.

57481127789 is a deficient number, since it is larger than the sum of its proper divisors (1).

57481127789 is an equidigital number, since it uses as much as digits as its factorization.

57481127789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7902720, while the sum is 59.

The spelling of 57481127789 in words is "fifty-seven billion, four hundred eighty-one million, one hundred twenty-seven thousand, seven hundred eighty-nine".