45343816009 has 4 divisors (see below), whose sum is σ = 45396726804. Its totient is φ = 45290905216.

The previous prime is 45343815953. The next prime is 45343816019. The reversal of 45343816009 is 90061834354.

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 31513350400 + 13830465609 = 177520^2 + 117603^2 .

It is a cyclic number.

It is not a de Polignac number, because 45343816009 - 2¹¹ = 45343813961 is a prime.

It is a super-3 number, since 3×45343816009³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45343816019) 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, 26454112 + ... + 26455825.

It is an arithmetic number, because the mean of its divisors is an integer number (11349181701).

Almost surely, 2^45343816009 is an apocalyptic number.

It is an amenable number.

45343816009 is a deficient number, since it is larger than the sum of its proper divisors (52910795).

45343816009 is an equidigital number, since it uses as much as digits as its factorization.

45343816009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52910794.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 45343816009 in words is "forty-five billion, three hundred forty-three million, eight hundred sixteen thousand, nine".