6408890289 has 8 divisors (see below), whose sum is σ = 9494652320. Its totient is φ = 4272593508.

The previous prime is 6408890263. The next prime is 6408890317. The reversal of 6408890289 is 9820988046.

It is not a de Polignac number, because 6408890289 - 2⁹ = 6408889777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6408890239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118683127 + ... + 118683180.

It is an arithmetic number, because the mean of its divisors is an integer number (1186831540).

Almost surely, 2^6408890289 is an apocalyptic number.

It is an amenable number.

6408890289 is a deficient number, since it is larger than the sum of its proper divisors (3085762031).

6408890289 is a wasteful number, since it uses less digits than its factorization.

6408890289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237366316 (or 237366310 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 6408890289 is about 80055.5450234398. The cubic root of 6408890289 is about 1857.4948245633.

The spelling of 6408890289 in words is "six billion, four hundred eight million, eight hundred ninety thousand, two hundred eighty-nine".