2668593782 has 4 divisors (see below), whose sum is σ = 4002890676. Its totient is φ = 1334296890.

The previous prime is 2668593769. The next prime is 2668593793. The reversal of 2668593782 is 2873958662.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 667148444 + ... + 667148447.

It is an arithmetic number, because the mean of its divisors is an integer number (1000722669).

Almost surely, 2^2668593782 is an apocalyptic number.

2668593782 is a deficient number, since it is larger than the sum of its proper divisors (1334296894).

2668593782 is a wasteful number, since it uses less digits than its factorization.

2668593782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334296893.

The product of its digits is 8709120, while the sum is 56.

The square root of 2668593782 is about 51658.4337935249. The cubic root of 2668593782 is about 1387.0565150511.

The spelling of 2668593782 in words is "two billion, six hundred sixty-eight million, five hundred ninety-three thousand, seven hundred eighty-two".