45500000000509 has 4 divisors (see below), whose sum is σ = 45538139146716. Its totient is φ = 45461860854304.

The previous prime is 45500000000479. The next prime is 45500000000561. The reversal of 45500000000509 is 90500000000554.

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 25748997476409 + 19751002524100 = 5074347^2 + 4444210^2 .

It is a cyclic number.

It is not a de Polignac number, because 45500000000509 - 2³³ = 45491410065917 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 (45500000000209) 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, 19069571314 + ... + 19069573699.

It is an arithmetic number, because the mean of its divisors is an integer number (11384534786679).

Almost surely, 2^{45500000000509} is an apocalyptic number.

It is an amenable number.

45500000000509 is a deficient number, since it is larger than the sum of its proper divisors (38139146207).

45500000000509 is a wasteful number, since it uses less digits than its factorization.

45500000000509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38139146206.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 45500000000509 in words is "forty-five trillion, five hundred billion, five hundred nine", and thus it is an aban number.