268641473 has 4 divisors (see below), whose sum is σ = 268839360. Its totient is φ = 268443588.

The previous prime is 268641469. The next prime is 268641479. The reversal of 268641473 is 374146862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268641473 - 2² = 268641469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268641473.

It is not an unprimeable number, because it can be changed into a prime (268641479) 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, 96893 + ... + 99626.

It is an arithmetic number, because the mean of its divisors is an integer number (67209840).

Almost surely, 2^268641473 is an apocalyptic number.

It is an amenable number.

268641473 is a deficient number, since it is larger than the sum of its proper divisors (197887).

268641473 is a wasteful number, since it uses less digits than its factorization.

268641473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197886.

The product of its digits is 193536, while the sum is 41.

The square root of 268641473 is about 16390.2859340525. The cubic root of 268641473 is about 645.2445624273.

The spelling of 268641473 in words is "two hundred sixty-eight million, six hundred forty-one thousand, four hundred seventy-three".