451655473893 has 24 divisors (see below), whose sum is σ = 652138407648. Its totient is φ = 277923028032.

The previous prime is 451655473873. The next prime is 451655473921. The reversal of 451655473893 is 398374556154.

It is a happy number.

It is not a de Polignac number, because 451655473893 - 2⁸ = 451655473637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451655473873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13163346 + ... + 13197612.

It is an arithmetic number, because the mean of its divisors is an integer number (27172433652).

Almost surely, 2^451655473893 is an apocalyptic number.

It is an amenable number.

451655473893 is a deficient number, since it is larger than the sum of its proper divisors (200482933755).

451655473893 is a wasteful number, since it uses less digits than its factorization.

451655473893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60293 (or 60280 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 60.

The spelling of 451655473893 in words is "four hundred fifty-one billion, six hundred fifty-five million, four hundred seventy-three thousand, eight hundred ninety-three".