451003351006321 has 4 divisors (see below), whose sum is σ = 457181479102372. Its totient is φ = 444825222910272.

The previous prime is 451003351006319. The next prime is 451003351006331. The reversal of 451003351006321 is 123600153300154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 292257487891600 + 158745863114721 = 17095540^2 + 12599439^2 .

It is a cyclic number.

It is not a de Polignac number, because 451003351006321 - 2¹ = 451003351006319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451003351006331) 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, 3089064047916 + ... + 3089064048061.

It is an arithmetic number, because the mean of its divisors is an integer number (114295369775593).

Almost surely, 2^{451003351006321} is an apocalyptic number.

It is an amenable number.

451003351006321 is a deficient number, since it is larger than the sum of its proper divisors (6178128096051).

451003351006321 is an equidigital number, since it uses as much as digits as its factorization.

451003351006321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178128096050.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 451003351006321 in words is "four hundred fifty-one trillion, three billion, three hundred fifty-one million, six thousand, three hundred twenty-one".