451497897322 has 4 divisors (see below), whose sum is σ = 677246845986. Its totient is φ = 225748948660.

The previous prime is 451497897287. The next prime is 451497897373. The reversal of 451497897322 is 223798794154.

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

It can be written as a sum of positive squares in only one way, i.e., 370626481681 + 80871415641 = 608791^2 + 284379^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112874474329 + ... + 112874474332.

Almost surely, 2^451497897322 is an apocalyptic number.

451497897322 is a deficient number, since it is larger than the sum of its proper divisors (225748948664).

451497897322 is a wasteful number, since it uses less digits than its factorization.

451497897322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225748948663.

The product of its digits is 30481920, while the sum is 61.

The spelling of 451497897322 in words is "four hundred fifty-one billion, four hundred ninety-seven million, eight hundred ninety-seven thousand, three hundred twenty-two".