451556053063 has 4 divisors (see below), whose sum is σ = 451557398968. Its totient is φ = 451554707160.

The previous prime is 451556053057. The next prime is 451556053093. The reversal of 451556053063 is 360350655154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 451556053063 - 2⁵ = 451556053031 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 (451556053093) 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, 282220 + ... + 991342.

It is an arithmetic number, because the mean of its divisors is an integer number (112889349742).

Almost surely, 2^451556053063 is an apocalyptic number.

451556053063 is a deficient number, since it is larger than the sum of its proper divisors (1345905).

451556053063 is an equidigital number, since it uses as much as digits as its factorization.

451556053063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345904.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 451556053063 in words is "four hundred fifty-one billion, five hundred fifty-six million, fifty-three thousand, sixty-three".