2668743285 has 32 divisors (see below), whose sum is σ = 4606613760. Its totient is φ = 1311510528.

The previous prime is 2668743277. The next prime is 2668743307. The reversal of 2668743285 is 5823478662.

It is not a de Polignac number, because 2668743285 - 2³ = 2668743277 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 100656 + ... + 124374.

It is an arithmetic number, because the mean of its divisors is an integer number (143956680).

Almost surely, 2^2668743285 is an apocalyptic number.

It is an amenable number.

2668743285 is a deficient number, since it is larger than the sum of its proper divisors (1937870475).

2668743285 is a wasteful number, since it uses less digits than its factorization.

2668743285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24317.

The product of its digits is 3870720, while the sum is 51.

The square root of 2668743285 is about 51659.8808070634. The cubic root of 2668743285 is about 1387.0824169873.

The spelling of 2668743285 in words is "two billion, six hundred sixty-eight million, seven hundred forty-three thousand, two hundred eighty-five".