57461984899 has 4 divisors (see below), whose sum is σ = 62685801720. Its totient is φ = 52238168080.

The previous prime is 57461984851. The next prime is 57461984929. The reversal of 57461984899 is 99848916475.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57461984899 - 2³¹ = 55314501251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57461984849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611908394 + ... + 2611908415.

It is an arithmetic number, because the mean of its divisors is an integer number (15671450430).

Almost surely, 2^57461984899 is an apocalyptic number.

57461984899 is a deficient number, since it is larger than the sum of its proper divisors (5223816821).

57461984899 is a wasteful number, since it uses less digits than its factorization.

57461984899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223816820.

The product of its digits is 156764160, while the sum is 70.

The spelling of 57461984899 in words is "fifty-seven billion, four hundred sixty-one million, nine hundred eighty-four thousand, eight hundred ninety-nine".