451321072297 has 4 divisors (see below), whose sum is σ = 454023593856. Its totient is φ = 448618550740.

The previous prime is 451321072289. The next prime is 451321072421. The reversal of 451321072297 is 792270123154.

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 451321072297 - 2³ = 451321072289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451321042297) 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, 1351260529 + ... + 1351260862.

It is an arithmetic number, because the mean of its divisors is an integer number (113505898464).

Almost surely, 2^451321072297 is an apocalyptic number.

It is an amenable number.

451321072297 is a deficient number, since it is larger than the sum of its proper divisors (2702521559).

451321072297 is a wasteful number, since it uses less digits than its factorization.

451321072297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702521558.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 451321072297 in words is "four hundred fifty-one billion, three hundred twenty-one million, seventy-two thousand, two hundred ninety-seven".