39443234492 has 12 divisors (see below), whose sum is σ = 69153253176. Its totient is φ = 19685162160.

The previous prime is 39443234491. The next prime is 39443234527. The reversal of 39443234492 is 29443234493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39443234491) 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, 9111338 + ... + 9115665.

It is an arithmetic number, because the mean of its divisors is an integer number (5762771098).

Almost surely, 2^39443234492 is an apocalyptic number.

It is an amenable number.

39443234492 is a deficient number, since it is larger than the sum of its proper divisors (29710018684).

39443234492 is a wasteful number, since it uses less digits than its factorization.

39443234492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227548 (or 18227546 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 47.

Subtracting from 39443234492 its reverse (29443234493), we obtain a palindrome (9999999999).

The spelling of 39443234492 in words is "thirty-nine billion, four hundred forty-three million, two hundred thirty-four thousand, four hundred ninety-two".