451024403551 has 4 divisors (see below), whose sum is σ = 457202820112. Its totient is φ = 444845986992.

The previous prime is 451024403549. The next prime is 451024403561. The reversal of 451024403551 is 155304420154.

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 451024403551 - 2¹ = 451024403549 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 (451024403561) 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 3 ways as a sum of consecutive naturals, for example, 3089208171 + ... + 3089208316.

It is an arithmetic number, because the mean of its divisors is an integer number (114300705028).

Almost surely, 2^451024403551 is an apocalyptic number.

451024403551 is a deficient number, since it is larger than the sum of its proper divisors (6178416561).

451024403551 is an equidigital number, since it uses as much as digits as its factorization.

451024403551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178416560.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 451024403551 in words is "four hundred fifty-one billion, twenty-four million, four hundred three thousand, five hundred fifty-one".