94200545909 has 4 divisors (see below), whose sum is σ = 94202467500. Its totient is φ = 94198624320.

The previous prime is 94200545903. The next prime is 94200545917. The reversal of 94200545909 is 90954500249.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90954500249 = 98911 ⋅919559.

It can be written as a sum of positive squares in 2 ways, for example, as 68377020100 + 25823525809 = 261490^2 + 160697^2 .

It is a cyclic number.

It is not a de Polignac number, because 94200545909 - 2²⁰ = 94199497333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94200545903) 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, 885284 + ... + 985965.

It is an arithmetic number, because the mean of its divisors is an integer number (23550616875).

Almost surely, 2^94200545909 is an apocalyptic number.

It is an amenable number.

94200545909 is a deficient number, since it is larger than the sum of its proper divisors (1921591).

94200545909 is a wasteful number, since it uses less digits than its factorization.

94200545909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921590.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 94200545909 in words is "ninety-four billion, two hundred million, five hundred forty-five thousand, nine hundred nine".