57143491493 has 16 divisors (see below), whose sum is σ = 64162264320. Its totient is φ = 50434804800.

The previous prime is 57143491459. The next prime is 57143491499. The reversal of 57143491493 is 39419434175.

57143491493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57143491493 - 2¹⁶ = 57143425957 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35348 + ... + 339906.

It is an arithmetic number, because the mean of its divisors is an integer number (4010141520).

Almost surely, 2^57143491493 is an apocalyptic number.

It is an amenable number.

57143491493 is a deficient number, since it is larger than the sum of its proper divisors (7018772827).

57143491493 is a wasteful number, since it uses less digits than its factorization.

57143491493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305068.

The product of its digits is 1632960, while the sum is 50.

The spelling of 57143491493 in words is "fifty-seven billion, one hundred forty-three million, four hundred ninety-one thousand, four hundred ninety-three".