45580449209 has 4 divisors (see below), whose sum is σ = 47979420240. Its totient is φ = 43181478180.

The previous prime is 45580449151. The next prime is 45580449253. The reversal of 45580449209 is 90294408554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45580449209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45580449269) 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, 1199485487 + ... + 1199485524.

It is an arithmetic number, because the mean of its divisors is an integer number (11994855060).

Almost surely, 2^45580449209 is an apocalyptic number.

It is an amenable number.

45580449209 is a deficient number, since it is larger than the sum of its proper divisors (2398971031).

45580449209 is a wasteful number, since it uses less digits than its factorization.

45580449209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398971030.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 45580449209 in words is "forty-five billion, five hundred eighty million, four hundred forty-nine thousand, two hundred nine".