57149143492 has 12 divisors (see below), whose sum is σ = 114298287040. Its totient is φ = 24492490056.

The previous prime is 57149143399. The next prime is 57149143511. The reversal of 57149143492 is 29434194175.

57149143492 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1020520392 + ... + 1020520447.

Almost surely, 2^57149143492 is an apocalyptic number.

It is an amenable number.

57149143492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57149143492 is a wasteful number, since it uses less digits than its factorization.

57149143492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041040850 (or 2041040848 counting only the distinct ones).

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

The spelling of 57149143492 in words is "fifty-seven billion, one hundred forty-nine million, one hundred forty-three thousand, four hundred ninety-two".