57149209486 has 16 divisors (see below), whose sum is σ = 86678581248. Its totient is φ = 28258047000.

The previous prime is 57149209483. The next prime is 57149209529. The reversal of 57149209486 is 68490294175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57149209483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356950 + ... + 491641.

It is an arithmetic number, because the mean of its divisors is an integer number (5417411328).

Almost surely, 2^57149209486 is an apocalyptic number.

57149209486 is a deficient number, since it is larger than the sum of its proper divisors (29529371762).

57149209486 is a wasteful number, since it uses less digits than its factorization.

57149209486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848967.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 57149209486 in words is "fifty-seven billion, one hundred forty-nine million, two hundred nine thousand, four hundred eighty-six".