57739866423549 has 12 divisors (see below), whose sum is σ = 81781494774144. Its totient is φ = 36228935794624.

The previous prime is 57739866423527. The next prime is 57739866423553. The reversal of 57739866423549 is 94532466893775.

It is not a de Polignac number, because 57739866423549 - 2⁸ = 57739866423293 is a prime.

It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57739866423599) 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, 33298653357 + ... + 33298655090.

It is an arithmetic number, because the mean of its divisors is an integer number (6815124564512).

Almost surely, 2^{57739866423549} is an apocalyptic number.

It is an amenable number.

57739866423549 is a deficient number, since it is larger than the sum of its proper divisors (24041628350595).

57739866423549 is a wasteful number, since it uses less digits than its factorization.

57739866423549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66597308484 (or 66597308467 counting only the distinct ones).

The product of its digits is 8230118400, while the sum is 78.

The spelling of 57739866423549 in words is "fifty-seven trillion, seven hundred thirty-nine billion, eight hundred sixty-six million, four hundred twenty-three thousand, five hundred forty-nine".