39449420873 has 8 divisors (see below), whose sum is σ = 41776035840. Its totient is φ = 37123479360.

The previous prime is 39449420867. The next prime is 39449420903. The reversal of 39449420873 is 37802494493.

39449420873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39449420873 - 2¹⁸ = 39449158729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39449420173) 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, 45173 + ... + 284498.

It is an arithmetic number, because the mean of its divisors is an integer number (5222004480).

Almost surely, 2^39449420873 is an apocalyptic number.

It is an amenable number.

39449420873 is a deficient number, since it is larger than the sum of its proper divisors (2326614967).

39449420873 is a wasteful number, since it uses less digits than its factorization.

39449420873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336727.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 39449420873 in words is "thirty-nine billion, four hundred forty-nine million, four hundred twenty thousand, eight hundred seventy-three".