3981037113 has 8 divisors (see below), whose sum is σ = 5897832800. Its totient is φ = 2654024724.

The previous prime is 3981037103. The next prime is 3981037129. The reversal of 3981037113 is 3117301893.

It is not a de Polignac number, because 3981037113 - 2⁴ = 3981037097 is a prime.

It is a Duffinian 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, 73722883 + ... + 73722936.

It is an arithmetic number, because the mean of its divisors is an integer number (737229100).

Almost surely, 2^3981037113 is an apocalyptic number.

It is an amenable number.

3981037113 is a deficient number, since it is larger than the sum of its proper divisors (1916795687).

3981037113 is a wasteful number, since it uses less digits than its factorization.

3981037113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147445828 (or 147445822 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3981037113 is about 63095.4603200579. The cubic root of 3981037113 is about 1584.8886019357. Note that the first 3 decimals are identical.

The spelling of 3981037113 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, one hundred thirteen".