3980113979 has 2 divisors, whose sum is σ = 3980113980. Its totient is φ = 3980113978.

The previous prime is 3980113877. The next prime is 3980113993. The reversal of 3980113979 is 9793110893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3980113979 - 2⁸ = 3980113723 is a prime.

It is not a weakly prime, because it can be changed into another prime (3980113279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990056989 + 1990056990.

It is an arithmetic number, because the mean of its divisors is an integer number (1990056990).

Almost surely, 2^3980113979 is an apocalyptic number.

3980113979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3980113979 is an equidigital number, since it uses as much as digits as its factorization.

3980113979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 3980113979 is about 63088.1445201870. The cubic root of 3980113979 is about 1584.7660896679.

The spelling of 3980113979 in words is "three billion, nine hundred eighty million, one hundred thirteen thousand, nine hundred seventy-nine".