5979421109 has 2 divisors, whose sum is σ = 5979421110. Its totient is φ = 5979421108.

The previous prime is 5979421069. The next prime is 5979421121. The reversal of 5979421109 is 9011249795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5961384100 + 18037009 = 77210^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 5979421109 - 2¹² = 5979417013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5979421709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989710554 + 2989710555.

It is an arithmetic number, because the mean of its divisors is an integer number (2989710555).

Almost surely, 2^5979421109 is an apocalyptic number.

It is an amenable number.

5979421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5979421109 is an equidigital number, since it uses as much as digits as its factorization.

5979421109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 5979421109 is about 77326.7166573106. The cubic root of 5979421109 is about 1815.0407506022.

The spelling of 5979421109 in words is "five billion, nine hundred seventy-nine million, four hundred twenty-one thousand, one hundred nine".