45451630663 has 4 divisors (see below), whose sum is σ = 46026967840. Its totient is φ = 44876293488.

The previous prime is 45451630583. The next prime is 45451630673. The reversal of 45451630663 is 36603615454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45451630663 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 (45451630673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287668470 + ... + 287668627.

It is an arithmetic number, because the mean of its divisors is an integer number (11506741960).

Almost surely, 2^45451630663 is an apocalyptic number.

45451630663 is a deficient number, since it is larger than the sum of its proper divisors (575337177).

45451630663 is an equidigital number, since it uses as much as digits as its factorization.

45451630663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575337176.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 45451630663 in words is "forty-five billion, four hundred fifty-one million, six hundred thirty thousand, six hundred sixty-three".