39711921343 has 8 divisors (see below), whose sum is σ = 40009046112. Its totient is φ = 39414902016.

The previous prime is 39711921323. The next prime is 39711921383. The reversal of 39711921343 is 34312911793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39711921343 - 2¹³ = 39711913151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39711921343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39711921323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834046 + ... + 880372.

It is an arithmetic number, because the mean of its divisors is an integer number (5001130764).

Almost surely, 2^39711921343 is an apocalyptic number.

39711921343 is a deficient number, since it is larger than the sum of its proper divisors (297124769).

39711921343 is a wasteful number, since it uses less digits than its factorization.

39711921343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52721.

The product of its digits is 122472, while the sum is 43.

The spelling of 39711921343 in words is "thirty-nine billion, seven hundred eleven million, nine hundred twenty-one thousand, three hundred forty-three".