57428606293 has 2 divisors, whose sum is σ = 57428606294. Its totient is φ = 57428606292.

The previous prime is 57428606267. The next prime is 57428606353. The reversal of 57428606293 is 39260682475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52163362449 + 5265243844 = 228393^2 + 72562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57428606293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57428606293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57428616293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28714303146 + 28714303147.

It is an arithmetic number, because the mean of its divisors is an integer number (28714303147).

Almost surely, 2^57428606293 is an apocalyptic number.

It is an amenable number.

57428606293 is a deficient number, since it is larger than the sum of its proper divisors (1).

57428606293 is an equidigital number, since it uses as much as digits as its factorization.

57428606293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 57428606293 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred six thousand, two hundred ninety-three".