3981501619199 has 8 divisors (see below), whose sum is σ = 4318618249680. Its totient is φ = 3648791742336.

The previous prime is 3981501619189. The next prime is 3981501619213. The reversal of 3981501619199 is 9919161051893.

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

It is not a de Polignac number, because 3981501619199 - 2³² = 3977206651903 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 (3981501619189) 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, 1101686522 + ... + 1101690135.

It is an arithmetic number, because the mean of its divisors is an integer number (539827281210).

Almost surely, 2^{3981501619199} is an apocalyptic number.

3981501619199 is a deficient number, since it is larger than the sum of its proper divisors (337116630481).

3981501619199 is a wasteful number, since it uses less digits than its factorization.

3981501619199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203376809.

The product of its (nonzero) digits is 4723920, while the sum is 62.

The spelling of 3981501619199 in words is "three trillion, nine hundred eighty-one billion, five hundred one million, six hundred nineteen thousand, one hundred ninety-nine".