39914661799 has 4 divisors (see below), whose sum is σ = 39933789264. Its totient is φ = 39895534336.

The previous prime is 39914661793. The next prime is 39914661803. The reversal of 39914661799 is 99716641993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99716641993 = 19213 ⋅5190061.

It is a cyclic number.

It is not a de Polignac number, because 39914661799 - 2⁷ = 39914661671 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 39914661799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39914661793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9560602 + ... + 9564775.

It is an arithmetic number, because the mean of its divisors is an integer number (9983447316).

Almost surely, 2^39914661799 is an apocalyptic number.

39914661799 is a deficient number, since it is larger than the sum of its proper divisors (19127465).

39914661799 is a wasteful number, since it uses less digits than its factorization.

39914661799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19127464.

The product of its digits is 19840464, while the sum is 64.

The spelling of 39914661799 in words is "thirty-nine billion, nine hundred fourteen million, six hundred sixty-one thousand, seven hundred ninety-nine".