39545855806893 has 8 divisors (see below), whose sum is σ = 53211549098400. Its totient is φ = 26122033193328.

The previous prime is 39545855806843. The next prime is 39545855806913. The reversal of 39545855806893 is 39860855854593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39545855806893 - 2¹⁸ = 39545855544749 is a prime.

It is a super-2 number, since 2×39545855806893² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39545855806843) 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, 60467669103 + ... + 60467669756.

It is an arithmetic number, because the mean of its divisors is an integer number (6651443637300).

Almost surely, 2^{39545855806893} is an apocalyptic number.

It is an amenable number.

39545855806893 is a deficient number, since it is larger than the sum of its proper divisors (13665693291507).

39545855806893 is a wasteful number, since it uses less digits than its factorization.

39545855806893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120935338971.

The product of its (nonzero) digits is 5598720000, while the sum is 78.

The spelling of 39545855806893 in words is "thirty-nine trillion, five hundred forty-five billion, eight hundred fifty-five million, eight hundred six thousand, eight hundred ninety-three".