3974831983 has 2 divisors, whose sum is σ = 3974831984. Its totient is φ = 3974831982.

The previous prime is 3974831981. The next prime is 3974832007. The reversal of 3974831983 is 3891384793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3974831983 - 2¹ = 3974831981 is a prime.

Together with 3974831981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3974831981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987415991 + 1987415992.

It is an arithmetic number, because the mean of its divisors is an integer number (1987415992).

Almost surely, 2^3974831983 is an apocalyptic number.

3974831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3974831983 is an equidigital number, since it uses as much as digits as its factorization.

3974831983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 3974831983 is about 63046.2685890291. The cubic root of 3974831983 is about 1584.0647333880.

The spelling of 3974831983 in words is "three billion, nine hundred seventy-four million, eight hundred thirty-one thousand, nine hundred eighty-three".