3981037109 has 8 divisors (see below), whose sum is σ = 4594804608. Its totient is φ = 3378531600.

The previous prime is 3981037103. The next prime is 3981037129. The reversal of 3981037109 is 9017301893.

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 3981037109 - 2⁸ = 3981036853 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 (3981037103) 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, 2814737 + ... + 2816150.

It is an arithmetic number, because the mean of its divisors is an integer number (574350576).

Almost surely, 2^3981037109 is an apocalyptic number.

It is an amenable number.

3981037109 is a deficient number, since it is larger than the sum of its proper divisors (613767499).

3981037109 is a wasteful number, since it uses less digits than its factorization.

3981037109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630995.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 3981037109 is about 63095.4602883599. The cubic root of 3981037109 is about 1584.8886014049. Note that the first 3 decimals are identical.

The spelling of 3981037109 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, one hundred nine".