451265728773 has 32 divisors (see below), whose sum is σ = 641892625920. Its totient is φ = 281009684480.

The previous prime is 451265728763. The next prime is 451265728811. The reversal of 451265728773 is 377827562154.

It is a happy number.

It is not a de Polignac number, because 451265728773 - 2⁴ = 451265728757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451265728763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48617893 + ... + 48627173.

It is an arithmetic number, because the mean of its divisors is an integer number (20059144560).

Almost surely, 2^451265728773 is an apocalyptic number.

It is an amenable number.

451265728773 is a deficient number, since it is larger than the sum of its proper divisors (190626897147).

451265728773 is a wasteful number, since it uses less digits than its factorization.

451265728773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16397.

The product of its digits is 19756800, while the sum is 57.

The spelling of 451265728773 in words is "four hundred fifty-one billion, two hundred sixty-five million, seven hundred twenty-eight thousand, seven hundred seventy-three".