5986996891 has 2 divisors, whose sum is σ = 5986996892. Its totient is φ = 5986996890.

The previous prime is 5986996877. The next prime is 5986996903. The reversal of 5986996891 is 1986996895.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5986996891 - 2²³ = 5978608283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5986996891.

It is not a weakly prime, because it can be changed into another prime (5986996801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2993498445 + 2993498446.

It is an arithmetic number, because the mean of its divisors is an integer number (2993498446).

Almost surely, 2^5986996891 is an apocalyptic number.

5986996891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5986996891 is an equidigital number, since it uses as much as digits as its factorization.

5986996891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 70.

The square root of 5986996891 is about 77375.6866916217. The cubic root of 5986996891 is about 1815.8069646866.

The spelling of 5986996891 in words is "five billion, nine hundred eighty-six million, nine hundred ninety-six thousand, eight hundred ninety-one".