39493160866793 has 4 divisors (see below), whose sum is σ = 39499945473348. Its totient is φ = 39486376260240.

The previous prime is 39493160866771. The next prime is 39493160866799. The reversal of 39493160866793 is 39766806139493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23157239966809 + 16335920899984 = 4812197^2 + 4041772^2 .

It is a cyclic number.

It is not a de Polignac number, because 39493160866793 - 2¹⁸ = 39493160604649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39493160866793.

It is not an unprimeable number, because it can be changed into a prime (39493160866799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392294546 + ... + 3392306187.

It is an arithmetic number, because the mean of its divisors is an integer number (9874986368337).

Almost surely, 2^{39493160866793} is an apocalyptic number.

It is an amenable number.

39493160866793 is a deficient number, since it is larger than the sum of its proper divisors (6784606555).

39493160866793 is an equidigital number, since it uses as much as digits as its factorization.

39493160866793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784606554.

The product of its (nonzero) digits is 952342272, while the sum is 74.

The spelling of 39493160866793 in words is "thirty-nine trillion, four hundred ninety-three billion, one hundred sixty million, eight hundred sixty-six thousand, seven hundred ninety-three".