451404010243 has 4 divisors (see below), whose sum is σ = 451573777480. Its totient is φ = 451234243008.

The previous prime is 451404010237. The next prime is 451404010279. The reversal of 451404010243 is 342010404154.

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 451404010243 - 2³⁷ = 313965056771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451404010223) 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, 84879630 + ... + 84884947.

It is an arithmetic number, because the mean of its divisors is an integer number (112893444370).

Almost surely, 2^451404010243 is an apocalyptic number.

451404010243 is a deficient number, since it is larger than the sum of its proper divisors (169767237).

451404010243 is a wasteful number, since it uses less digits than its factorization.

451404010243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169767236.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 451404010243 its reverse (342010404154), we get a palindrome (793414414397).

The spelling of 451404010243 in words is "four hundred fifty-one billion, four hundred four million, ten thousand, two hundred forty-three".