57749234131809 has 12 divisors (see below), whose sum is σ = 90998793177552. Its totient is φ = 34999535837400.

The previous prime is 57749234131651. The next prime is 57749234131847. The reversal of 57749234131809 is 90813143294775.

57749234131809 is a `hidden beast` number, since 5 + 7 + 7 + 492 + 3 + 4 + 131 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 57749234131809 - 2²⁵ = 57749200577377 is a prime.

It is a super-2 number, since 2×57749234131809² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57749234131909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291662798547 + ... + 291662798744.

It is an arithmetic number, because the mean of its divisors is an integer number (7583232764796).

Almost surely, 2^{57749234131809} is an apocalyptic number.

It is an amenable number.

57749234131809 is a deficient number, since it is larger than the sum of its proper divisors (33249559045743).

57749234131809 is a wasteful number, since it uses less digits than its factorization.

57749234131809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583325597308 (or 583325597305 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 57749234131809 in words is "fifty-seven trillion, seven hundred forty-nine billion, two hundred thirty-four million, one hundred thirty-one thousand, eight hundred nine".