57143491492 has 12 divisors (see below), whose sum is σ = 100002789936. Its totient is φ = 28571265800.

The previous prime is 57143491459. The next prime is 57143491499. The reversal of 57143491492 is 29419434175.

It is not an unprimeable number, because it can be changed into a prime (57143491499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372543 + ... + 503065.

It is an arithmetic number, because the mean of its divisors is an integer number (8333565828).

Almost surely, 2^57143491492 is an apocalyptic number.

It is an amenable number.

57143491492 is a deficient number, since it is larger than the sum of its proper divisors (42859298444).

57143491492 is a wasteful number, since it uses less digits than its factorization.

57143491492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239978 (or 239976 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 57143491492 in words is "fifty-seven billion, one hundred forty-three million, four hundred ninety-one thousand, four hundred ninety-two".