268747453 has 4 divisors (see below), whose sum is σ = 289420348. Its totient is φ = 248074560.

The previous prime is 268747447. The next prime is 268747469. The reversal of 268747453 is 354747862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 146821689 + 121925764 = 12117^2 + 11042^2 .

It is a cyclic number.

It is not a de Polignac number, because 268747453 - 2⁵ = 268747421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268747403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10336428 + ... + 10336453.

It is an arithmetic number, because the mean of its divisors is an integer number (72355087).

Almost surely, 2^268747453 is an apocalyptic number.

It is an amenable number.

268747453 is a deficient number, since it is larger than the sum of its proper divisors (20672895).

268747453 is a wasteful number, since it uses less digits than its factorization.

268747453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20672894.

The product of its digits is 1128960, while the sum is 46.

The square root of 268747453 is about 16393.5186277992. The cubic root of 268747453 is about 645.3294016835.

The spelling of 268747453 in words is "two hundred sixty-eight million, seven hundred forty-seven thousand, four hundred fifty-three".