39973220795 has 8 divisors (see below), whose sum is σ = 47993431824. Its totient is φ = 31961532064.

The previous prime is 39973220779. The next prime is 39973220797. The reversal of 39973220795 is 59702237993.

It is a happy number.

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 39973220795 - 2⁴ = 39973220779 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 39973220795.

It is not an unprimeable number, because it can be changed into a prime (39973220797) 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, 2120249 + ... + 2139018.

It is an arithmetic number, because the mean of its divisors is an integer number (5999178978).

Almost surely, 2^39973220795 is an apocalyptic number.

39973220795 is a deficient number, since it is larger than the sum of its proper divisors (8020211029).

39973220795 is a wasteful number, since it uses less digits than its factorization.

39973220795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261149.

The product of its (nonzero) digits is 6429780, while the sum is 56.

The spelling of 39973220795 in words is "thirty-nine billion, nine hundred seventy-three million, two hundred twenty thousand, seven hundred ninety-five".