2668443254 has 8 divisors (see below), whose sum is σ = 4040073288. Its totient is φ = 1321752160.

The previous prime is 2668443247. The next prime is 2668443257. The reversal of 2668443254 is 4523448662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668443257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234467 + ... + 6234894.

It is an arithmetic number, because the mean of its divisors is an integer number (505009161).

Almost surely, 2^2668443254 is an apocalyptic number.

2668443254 is a deficient number, since it is larger than the sum of its proper divisors (1371630034).

2668443254 is a wasteful number, since it uses less digits than its factorization.

2668443254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469470.

The product of its digits is 1105920, while the sum is 44.

The square root of 2668443254 is about 51656.9768182382. The cubic root of 2668443254 is about 1387.0304345525.

The spelling of 2668443254 in words is "two billion, six hundred sixty-eight million, four hundred forty-three thousand, two hundred fifty-four".