57428652249 has 6 divisors (see below), whose sum is σ = 82952497706. Its totient is φ = 38285768160.

The previous prime is 57428652227. The next prime is 57428652277. The reversal of 57428652249 is 94225682475.

57428652249 is a `hidden beast` number, since 5 + 74 + 2 + 8 + 6 + 522 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49250705625 + 8177946624 = 221925^2 + 90432^2 .

It is not a de Polignac number, because 57428652249 - 2⁸ = 57428651993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57428652195 and 57428652204.

It is not an unprimeable number, because it can be changed into a prime (57428652209) 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 in 5 ways as a sum of consecutive naturals, for example, 3190480672 + ... + 3190480689.

Almost surely, 2^57428652249 is an apocalyptic number.

It is an amenable number.

57428652249 is a deficient number, since it is larger than the sum of its proper divisors (25523845457).

57428652249 is a wasteful number, since it uses less digits than its factorization.

57428652249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380961367 (or 6380961364 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 57428652249 in words is "fifty-seven billion, four hundred twenty-eight million, six hundred fifty-two thousand, two hundred forty-nine".