39432221825 has 24 divisors (see below), whose sum is σ = 50282204352. Its totient is φ = 30653622720.

The previous prime is 39432221813. The next prime is 39432221849. The reversal of 39432221825 is 52812223493.

39432221825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39432221825 - 2¹⁰ = 39432220801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700892 + ... + 755058.

It is an arithmetic number, because the mean of its divisors is an integer number (2095091848).

Almost surely, 2^39432221825 is an apocalyptic number.

It is an amenable number.

39432221825 is a deficient number, since it is larger than the sum of its proper divisors (10849982527).

39432221825 is a wasteful number, since it uses less digits than its factorization.

39432221825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55001 (or 54996 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The spelling of 39432221825 in words is "thirty-nine billion, four hundred thirty-two million, two hundred twenty-one thousand, eight hundred twenty-five".