2443998979 has 2 divisors, whose sum is σ = 2443998980. Its totient is φ = 2443998978.

The previous prime is 2443998881. The next prime is 2443998989. The reversal of 2443998979 is 9798993442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2443998979 - 2¹¹ = 2443996931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2443998979.

It is not a weakly prime, because it can be changed into another prime (2443998989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221999489 + 1221999490.

It is an arithmetic number, because the mean of its divisors is an integer number (1221999490).

Almost surely, 2^2443998979 is an apocalyptic number.

2443998979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443998979 is an equidigital number, since it uses as much as digits as its factorization.

2443998979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 64.

The square root of 2443998979 is about 49436.8180509223. The cubic root of 2443998979 is about 1346.9981731400.

The spelling of 2443998979 in words is "two billion, four hundred forty-three million, nine hundred ninety-eight thousand, nine hundred seventy-nine".