456728263 has 4 divisors (see below), whose sum is σ = 464469480. Its totient is φ = 448987048.

The previous prime is 456728249. The next prime is 456728267. The reversal of 456728263 is 362827654.

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

It is a cyclic number.

It is not a de Polignac number, because 456728263 - 2¹⁷ = 456597191 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 (456728267) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3870520 + ... + 3870637.

It is an arithmetic number, because the mean of its divisors is an integer number (116117370).

Almost surely, 2^456728263 is an apocalyptic number.

456728263 is a deficient number, since it is larger than the sum of its proper divisors (7741217).

456728263 is an equidigital number, since it uses as much as digits as its factorization.

456728263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741216.

The product of its digits is 483840, while the sum is 43.

The square root of 456728263 is about 21371.2017210076. The cubic root of 456728263 is about 770.1097628426.

It can be divided in two parts, 45672 and 8263, that added together give a palindrome (53935).

The spelling of 456728263 in words is "four hundred fifty-six million, seven hundred twenty-eight thousand, two hundred sixty-three".