3981744583 has 2 divisors, whose sum is σ = 3981744584. Its totient is φ = 3981744582.

The previous prime is 3981744581. The next prime is 3981744587. The reversal of 3981744583 is 3854471893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3981744583 - 2¹ = 3981744581 is a prime.

Together with 3981744581, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3981744583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3981744581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990872291 + 1990872292.

It is an arithmetic number, because the mean of its divisors is an integer number (1990872292).

Almost surely, 2^3981744583 is an apocalyptic number.

3981744583 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981744583 is an equidigital number, since it uses as much as digits as its factorization.

3981744583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 52.

The square root of 3981744583 is about 63101.0664172960. The cubic root of 3981744583 is about 1584.9824798788.

The spelling of 3981744583 in words is "three billion, nine hundred eighty-one million, seven hundred forty-four thousand, five hundred eighty-three".