57428652209 has 2 divisors, whose sum is σ = 57428652210. Its totient is φ = 57428652208.

The previous prime is 57428652173. The next prime is 57428652227. The reversal of 57428652209 is 90225682475.

57428652209 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., 52269390625 + 5159261584 = 228625^2 + 71828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57428652209 is a prime.

It is not a weakly prime, because it can be changed into another prime (57428652109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28714326104 + 28714326105.

It is an arithmetic number, because the mean of its divisors is an integer number (28714326105).

Almost surely, 2^57428652209 is an apocalyptic number.

It is an amenable number.

57428652209 is a deficient number, since it is larger than the sum of its proper divisors (1).

57428652209 is an equidigital number, since it uses as much as digits as its factorization.

57428652209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 57428652209 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred fifty-two thousand, two hundred nine".