451222043400263 has 4 divisors (see below), whose sum is σ = 451226262546600. Its totient is φ = 451217824253928.

The previous prime is 451222043400239. The next prime is 451222043400269. The reversal of 451222043400263 is 362004340222154.

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

It is a cyclic number.

It is not a de Polignac number, because 451222043400263 - 2¹⁴ = 451222043383879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451222043400269) 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, 2109412745 + ... + 2109626642.

It is an arithmetic number, because the mean of its divisors is an integer number (112806565636650).

Almost surely, 2^{451222043400263} is an apocalyptic number.

451222043400263 is a deficient number, since it is larger than the sum of its proper divisors (4219146337).

451222043400263 is a wasteful number, since it uses less digits than its factorization.

451222043400263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219146336.

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 451222043400263 in words is "four hundred fifty-one trillion, two hundred twenty-two billion, forty-three million, four hundred thousand, two hundred sixty-three".