451955623445 has 8 divisors (see below), whose sum is σ = 542607128736. Its totient is φ = 361390911696.

The previous prime is 451955623433. The next prime is 451955623447. The reversal of 451955623445 is 544326559154.

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 451955623445 - 2⁶ = 451955623381 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 (451955623447) 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, 21686927 + ... + 21707756.

It is an arithmetic number, because the mean of its divisors is an integer number (67825891092).

Almost surely, 2^451955623445 is an apocalyptic number.

It is an amenable number.

451955623445 is a deficient number, since it is larger than the sum of its proper divisors (90651505291).

451955623445 is a wasteful number, since it uses less digits than its factorization.

451955623445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43396771.

The product of its digits is 12960000, while the sum is 53.

The spelling of 451955623445 in words is "four hundred fifty-one billion, nine hundred fifty-five million, six hundred twenty-three thousand, four hundred forty-five".