451045420211 has 8 divisors (see below), whose sum is σ = 461678814960. Its totient is φ = 440418569472.

The previous prime is 451045420151. The next prime is 451045420219. The reversal of 451045420211 is 112024540154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 451045420211 - 2³⁸ = 176167513267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451045420219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1496390 + ... + 1772363.

It is an arithmetic number, because the mean of its divisors is an integer number (57709851870).

Almost surely, 2^451045420211 is an apocalyptic number.

451045420211 is a deficient number, since it is larger than the sum of its proper divisors (10633394749).

451045420211 is a wasteful number, since it uses less digits than its factorization.

451045420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272005.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 451045420211 its reverse (112024540154), we get a palindrome (563069960365).

The spelling of 451045420211 in words is "four hundred fifty-one billion, forty-five million, four hundred twenty thousand, two hundred eleven".