5959549991 has 2 divisors, whose sum is σ = 5959549992. Its totient is φ = 5959549990.

The previous prime is 5959549979. The next prime is 5959549993. The reversal of 5959549991 is 1999459595.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5959549991 - 2¹⁴ = 5959533607 is a prime.

Together with 5959549993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5959549993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2979774995 + 2979774996.

It is an arithmetic number, because the mean of its divisors is an integer number (2979774996).

Almost surely, 2^5959549991 is an apocalyptic number.

5959549991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5959549991 is an equidigital number, since it uses as much as digits as its factorization.

5959549991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29524500, while the sum is 65.

The square root of 5959549991 is about 77198.1216805176. The cubic root of 5959549991 is about 1813.0279071453.

The spelling of 5959549991 in words is "five billion, nine hundred fifty-nine million, five hundred forty-nine thousand, nine hundred ninety-one".