268561349774 has 8 divisors (see below), whose sum is σ = 403112574480. Its totient is φ = 134190491616.

The previous prime is 268561349723. The next prime is 268561349789. The reversal of 268561349774 is 477943165862.

It is a happy number.

268561349774 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45087914 + ... + 45093869.

It is an arithmetic number, because the mean of its divisors is an integer number (50389071810).

Almost surely, 2^268561349774 is an apocalyptic number.

268561349774 is a deficient number, since it is larger than the sum of its proper divisors (134551224706).

268561349774 is a wasteful number, since it uses less digits than its factorization.

268561349774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90183274.

The product of its digits is 60963840, while the sum is 62.

The spelling of 268561349774 in words is "two hundred sixty-eight billion, five hundred sixty-one million, three hundred forty-nine thousand, seven hundred seventy-four".