5999964643 has 2 divisors, whose sum is σ = 5999964644. Its totient is φ = 5999964642.

The previous prime is 5999964613. The next prime is 5999964653. The reversal of 5999964643 is 3464699995.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5999964643 is a prime.

It is not a weakly prime, because it can be changed into another prime (5999964613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999982321 + 2999982322.

It is an arithmetic number, because the mean of its divisors is an integer number (2999982322).

Almost surely, 2^5999964643 is an apocalyptic number.

5999964643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5999964643 is an equidigital number, since it uses as much as digits as its factorization.

5999964643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 64.

The square root of 5999964643 is about 77459.4386953585. The cubic root of 5999964643 is about 1817.1170234955.

The spelling of 5999964643 in words is "five billion, nine hundred ninety-nine million, nine hundred sixty-four thousand, six hundred forty-three".