451728317318 has 8 divisors (see below), whose sum is σ = 692009337312. Its totient is φ = 221058538216.

The previous prime is 451728317281. The next prime is 451728317321. The reversal of 451728317318 is 813713827154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2402810105 + ... + 2402810292.

It is an arithmetic number, because the mean of its divisors is an integer number (86501167164).

Almost surely, 2^451728317318 is an apocalyptic number.

451728317318 is a deficient number, since it is larger than the sum of its proper divisors (240281019994).

451728317318 is a wasteful number, since it uses less digits than its factorization.

451728317318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805620446.

The product of its digits is 1128960, while the sum is 50.

The spelling of 451728317318 in words is "four hundred fifty-one billion, seven hundred twenty-eight million, three hundred seventeen thousand, three hundred eighteen".