939896020799 has 4 divisors (see below), whose sum is σ = 989364232440. Its totient is φ = 890427809160.

The previous prime is 939896020781. The next prime is 939896020807. The reversal of 939896020799 is 997020698939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997020698939 = 5113 ⋅194997203.

It is a cyclic number.

It is not a de Polignac number, because 939896020799 - 2²⁰ = 939894972223 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 (939896026799) 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, 24734105792 + ... + 24734105829.

It is an arithmetic number, because the mean of its divisors is an integer number (247341058110).

Almost surely, 2^939896020799 is an apocalyptic number.

939896020799 is a deficient number, since it is larger than the sum of its proper divisors (49468211641).

939896020799 is a wasteful number, since it uses less digits than its factorization.

939896020799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49468211640.

The product of its (nonzero) digits is 119042784, while the sum is 71.

The spelling of 939896020799 in words is "nine hundred thirty-nine billion, eight hundred ninety-six million, twenty thousand, seven hundred ninety-nine".