2668886942 has 4 divisors (see below), whose sum is σ = 4003330416. Its totient is φ = 1334443470.

The previous prime is 2668886929. The next prime is 2668886971. The reversal of 2668886942 is 2496888662.

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

It is a super-2 number, since 2×2668886942² = 14245915018356222728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667221734 + ... + 667221737.

It is an arithmetic number, because the mean of its divisors is an integer number (1000832604).

Almost surely, 2^2668886942 is an apocalyptic number.

2668886942 is a deficient number, since it is larger than the sum of its proper divisors (1334443474).

2668886942 is a wasteful number, since it uses less digits than its factorization.

2668886942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334443473.

The product of its digits is 15925248, while the sum is 59.

The square root of 2668886942 is about 51661.2712000005. The cubic root of 2668886942 is about 1387.1073051715.

The spelling of 2668886942 in words is "two billion, six hundred sixty-eight million, eight hundred eighty-six thousand, nine hundred forty-two".