39539125229 has 4 divisors (see below), whose sum is σ = 41620131840. Its totient is φ = 37458118620.

The previous prime is 39539125169. The next prime is 39539125253. The reversal of 39539125229 is 92252193593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39539125229 - 2¹² = 39539121133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39539125289) 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, 1040503277 + ... + 1040503314.

It is an arithmetic number, because the mean of its divisors is an integer number (10405032960).

Almost surely, 2^39539125229 is an apocalyptic number.

It is an amenable number.

39539125229 is a deficient number, since it is larger than the sum of its proper divisors (2081006611).

39539125229 is a wasteful number, since it uses less digits than its factorization.

39539125229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081006610.

The product of its digits is 1312200, while the sum is 50.

The spelling of 39539125229 in words is "thirty-nine billion, five hundred thirty-nine million, one hundred twenty-five thousand, two hundred twenty-nine".