6889044499 has 2 divisors, whose sum is σ = 6889044500. Its totient is φ = 6889044498.

The previous prime is 6889044497. The next prime is 6889044509. The reversal of 6889044499 is 9944409886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6889044499 - 2¹ = 6889044497 is a prime.

It is a super-2 number, since 2×6889044499² = 94917868218404322002, which contains 22 as substring.

Together with 6889044497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6889044497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3444522249 + 3444522250.

It is an arithmetic number, because the mean of its divisors is an integer number (3444522250).

Almost surely, 2^6889044499 is an apocalyptic number.

6889044499 is a deficient number, since it is larger than the sum of its proper divisors (1).

6889044499 is an equidigital number, since it uses as much as digits as its factorization.

6889044499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The square root of 6889044499 is about 83000.2680658322. The cubic root of 6889044499 is about 1902.7701511946.

The spelling of 6889044499 in words is "six billion, eight hundred eighty-nine million, forty-four thousand, four hundred ninety-nine".