454321643273 has 4 divisors (see below), whose sum is σ = 464887262928. Its totient is φ = 443756023620.

The previous prime is 454321643263. The next prime is 454321643371. The reversal of 454321643273 is 372346123454.

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 454321643273 - 2³⁴ = 437141774089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (454321643263) 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, 5282809763 + ... + 5282809848.

It is an arithmetic number, because the mean of its divisors is an integer number (116221815732).

Almost surely, 2^454321643273 is an apocalyptic number.

454321643273 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

454321643273 is a deficient number, since it is larger than the sum of its proper divisors (10565619655).

454321643273 is a wasteful number, since it uses less digits than its factorization.

454321643273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565619654.

The product of its digits is 1451520, while the sum is 44.

The spelling of 454321643273 in words is "four hundred fifty-four billion, three hundred twenty-one million, six hundred forty-three thousand, two hundred seventy-three".