39444942343 has 16 divisors (see below), whose sum is σ = 41645882880. Its totient is φ = 37256683104.

The previous prime is 39444942307. The next prime is 39444942377. The reversal of 39444942343 is 34324944493.

It is a cyclic number.

It is not a de Polignac number, because 39444942343 - 2³³ = 30855007751 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 (39444942443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10209030 + ... + 10212892.

It is an arithmetic number, because the mean of its divisors is an integer number (2602867680).

Almost surely, 2^39444942343 is an apocalyptic number.

39444942343 is a deficient number, since it is larger than the sum of its proper divisors (2200940537).

39444942343 is a wasteful number, since it uses less digits than its factorization.

39444942343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358.

The product of its digits is 4478976, while the sum is 49.

The spelling of 39444942343 in words is "thirty-nine billion, four hundred forty-four million, nine hundred forty-two thousand, three hundred forty-three".