545665044467 has 4 divisors (see below), whose sum is σ = 546999189240. Its totient is φ = 544330899696.

The previous prime is 545665044451. The next prime is 545665044521. The reversal of 545665044467 is 764440566545.

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 545665044467 - 2⁴ = 545665044451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545665044767) 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, 667071773 + ... + 667072590.

It is an arithmetic number, because the mean of its divisors is an integer number (136749797310).

Almost surely, 2^545665044467 is an apocalyptic number.

545665044467 is a deficient number, since it is larger than the sum of its proper divisors (1334144773).

545665044467 is a wasteful number, since it uses less digits than its factorization.

545665044467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334144772.

The product of its (nonzero) digits is 48384000, while the sum is 56.

The spelling of 545665044467 in words is "five hundred forty-five billion, six hundred sixty-five million, forty-four thousand, four hundred sixty-seven".