45584888989 has 4 divisors (see below), whose sum is σ = 45625266460. Its totient is φ = 45544511520.

The previous prime is 45584888981. The next prime is 45584889023. The reversal of 45584888989 is 98988848554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29055929764 + 16528959225 = 170458^2 + 128565^2 .

It is a cyclic number.

It is not a de Polignac number, because 45584888989 - 2³ = 45584888981 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 (45584888981) 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, 20187042 + ... + 20189299.

It is an arithmetic number, because the mean of its divisors is an integer number (11406316615).

Almost surely, 2^45584888989 is an apocalyptic number.

It is an amenable number.

45584888989 is a deficient number, since it is larger than the sum of its proper divisors (40377471).

45584888989 is a wasteful number, since it uses less digits than its factorization.

45584888989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40377470.

The product of its digits is 1061683200, while the sum is 76.

The spelling of 45584888989 in words is "forty-five billion, five hundred eighty-four million, eight hundred eighty-eight thousand, nine hundred eighty-nine".