451433523241 has 4 divisors (see below), whose sum is σ = 453404848900. Its totient is φ = 449462197584.

The previous prime is 451433523209. The next prime is 451433523253. The reversal of 451433523241 is 142325334154.

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 359622099225 + 91811424016 = 599685^2 + 303004^2 .

It is a cyclic number.

It is not a de Polignac number, because 451433523241 - 2⁵ = 451433523209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451433523241.

It is not an unprimeable number, because it can be changed into a prime (451433523341) 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, 985662486 + ... + 985662943.

It is an arithmetic number, because the mean of its divisors is an integer number (113351212225).

Almost surely, 2^451433523241 is an apocalyptic number.

It is an amenable number.

451433523241 is a deficient number, since it is larger than the sum of its proper divisors (1971325659).

451433523241 is a wasteful number, since it uses less digits than its factorization.

451433523241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971325658.

The product of its digits is 172800, while the sum is 37.

Adding to 451433523241 its reverse (142325334154), we get a palindrome (593758857395).

The spelling of 451433523241 in words is "four hundred fifty-one billion, four hundred thirty-three million, five hundred twenty-three thousand, two hundred forty-one".