5558319979 has 2 divisors, whose sum is σ = 5558319980. Its totient is φ = 5558319978.

The previous prime is 5558319959. The next prime is 5558320007. The reversal of 5558319979 is 9799138555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5558319979 - 2⁹ = 5558319467 is a prime.

It is not a weakly prime, because it can be changed into another prime (5558319929) 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, 2779159989 + 2779159990.

It is an arithmetic number, because the mean of its divisors is an integer number (2779159990).

Almost surely, 2^5558319979 is an apocalyptic number.

5558319979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5558319979 is an equidigital number, since it uses as much as digits as its factorization.

5558319979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309000, while the sum is 61.

The square root of 5558319979 is about 74554.1412598925. The cubic root of 5558319979 is about 1771.3913304188.

The spelling of 5558319979 in words is "five billion, five hundred fifty-eight million, three hundred nineteen thousand, nine hundred seventy-nine".