3981036979 has 2 divisors, whose sum is σ = 3981036980. Its totient is φ = 3981036978.

The previous prime is 3981036919. The next prime is 3981036991. The reversal of 3981036979 is 9796301893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3981036979 - 2²⁵ = 3947482547 is a prime.

It is not a weakly prime, because it can be changed into another prime (3981036919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990518489 + 1990518490.

It is an arithmetic number, because the mean of its divisors is an integer number (1990518490).

Almost surely, 2^3981036979 is an apocalyptic number.

3981036979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3981036979 is an equidigital number, since it uses as much as digits as its factorization.

3981036979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 3981036979 is about 63095.4592581748. The cubic root of 3981036979 is about 1584.8885841535. Note that the first 3 decimals are identical.

The spelling of 3981036979 in words is "three billion, nine hundred eighty-one million, thirty-six thousand, nine hundred seventy-nine".