5965442491 has 2 divisors, whose sum is σ = 5965442492. Its totient is φ = 5965442490.

The previous prime is 5965442489. The next prime is 5965442501. The reversal of 5965442491 is 1942445695.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5965442491 - 2¹ = 5965442489 is a prime.

It is a super-2 number, since 2×5965442491² = 71173008226856570162, which contains 22 as substring.

Together with 5965442489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5965442471) 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, 2982721245 + 2982721246.

It is an arithmetic number, because the mean of its divisors is an integer number (2982721246).

Almost surely, 2^5965442491 is an apocalyptic number.

5965442491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5965442491 is an equidigital number, since it uses as much as digits as its factorization.

5965442491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 5965442491 is about 77236.2770400024. The cubic root of 5965442491 is about 1813.6252535818.

The spelling of 5965442491 in words is "five billion, nine hundred sixty-five million, four hundred forty-two thousand, four hundred ninety-one".