5979610121 has 2 divisors, whose sum is σ = 5979610122. Its totient is φ = 5979610120.

The previous prime is 5979610111. The next prime is 5979610123. The reversal of 5979610121 is 1210169795.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3357043600 + 2622566521 = 57940^2 + 51211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5979610121 is a prime.

Together with 5979610123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5979610123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989805060 + 2989805061.

It is an arithmetic number, because the mean of its divisors is an integer number (2989805061).

Almost surely, 2^5979610121 is an apocalyptic number.

It is an amenable number.

5979610121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5979610121 is an equidigital number, since it uses as much as digits as its factorization.

5979610121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 41.

The square root of 5979610121 is about 77327.9388125663. The cubic root of 5979610121 is about 1815.0598751329.

The spelling of 5979610121 in words is "five billion, nine hundred seventy-nine million, six hundred ten thousand, one hundred twenty-one".