3899881994719 has 8 divisors (see below), whose sum is σ = 3911033438208. Its totient is φ = 3888733405560.

The previous prime is 3899881994683. The next prime is 3899881994759. The reversal of 3899881994719 is 9174991889983.

It is a happy number.

3899881994719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3899881994719 - 2⁹ = 3899881994207 is a prime.

It is a super-2 number, since 2×3899881994719² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899881994759) 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, 2038074 + ... + 3457384.

It is an arithmetic number, because the mean of its divisors is an integer number (488879179776).

Almost surely, 2^{3899881994719} is an apocalyptic number.

3899881994719 is a deficient number, since it is larger than the sum of its proper divisors (11151443489).

3899881994719 is a wasteful number, since it uses less digits than its factorization.

3899881994719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427165.

The product of its digits is 2539579392, while the sum is 85.

The spelling of 3899881994719 in words is "three trillion, eight hundred ninety-nine billion, eight hundred eighty-one million, nine hundred ninety-four thousand, seven hundred nineteen".