45109690809 has 16 divisors (see below), whose sum is σ = 60297337152. Its totient is φ = 29997635328.

The previous prime is 45109690799. The next prime is 45109690819. The reversal of 45109690809 is 90809690154.

It is an interprime number because it is at equal distance from previous prime (45109690799) and next prime (45109690819).

It is not a de Polignac number, because 45109690809 - 2²⁵ = 45076136377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45109690819) 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 15 ways as a sum of consecutive naturals, for example, 5814477 + ... + 5822229.

It is an arithmetic number, because the mean of its divisors is an integer number (3768583572).

Almost surely, 2^45109690809 is an apocalyptic number.

It is an amenable number.

45109690809 is a deficient number, since it is larger than the sum of its proper divisors (15187646343).

45109690809 is a wasteful number, since it uses less digits than its factorization.

45109690809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376.

The product of its (nonzero) digits is 699840, while the sum is 51.

The spelling of 45109690809 in words is "forty-five billion, one hundred nine million, six hundred ninety thousand, eight hundred nine".