39925223539 has 4 divisors (see below), whose sum is σ = 39927652056. Its totient is φ = 39922795024.

The previous prime is 39925223491. The next prime is 39925223561. The reversal of 39925223539 is 93532252993.

39925223539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 39925223539 - 2²⁷ = 39791005811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39925223579) 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, 1189429 + ... + 1222534.

It is an arithmetic number, because the mean of its divisors is an integer number (9981913014).

Almost surely, 2^39925223539 is an apocalyptic number.

39925223539 is a deficient number, since it is larger than the sum of its proper divisors (2428517).

39925223539 is a wasteful number, since it uses less digits than its factorization.

39925223539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428516.

The product of its digits is 3936600, while the sum is 52.

The spelling of 39925223539 in words is "thirty-nine billion, nine hundred twenty-five million, two hundred twenty-three thousand, five hundred thirty-nine".