4189816979 has 2 divisors, whose sum is σ = 4189816980. Its totient is φ = 4189816978.

The previous prime is 4189816913. The next prime is 4189817017. The reversal of 4189816979 is 9796189814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4189816979 - 2¹² = 4189812883 is a prime.

It is not a weakly prime, because it can be changed into another prime (4189816879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094908489 + 2094908490.

It is an arithmetic number, because the mean of its divisors is an integer number (2094908490).

Almost surely, 2^4189816979 is an apocalyptic number.

4189816979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4189816979 is an equidigital number, since it uses as much as digits as its factorization.

4189816979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 62.

The square root of 4189816979 is about 64728.7955936151. The cubic root of 4189816979 is about 1612.1236560489.

The spelling of 4189816979 in words is "four billion, one hundred eighty-nine million, eight hundred sixteen thousand, nine hundred seventy-nine".