94789823409 has 24 divisors (see below), whose sum is σ = 142235654912. Its totient is φ = 60765176160.

The previous prime is 94789823399. The next prime is 94789823413. The reversal of 94789823409 is 90432898749.

It is not a de Polignac number, because 94789823409 - 2⁴ = 94789823393 is a prime.

It is a super-2 number, since 2×94789823409² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (94789823489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038199 + ... + 1125804.

Almost surely, 2^94789823409 is an apocalyptic number.

It is an amenable number.

94789823409 is a deficient number, since it is larger than the sum of its proper divisors (47445831503).

94789823409 is a wasteful number, since it uses less digits than its factorization.

94789823409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164197 (or 2164194 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 94789823409 in words is "ninety-four billion, seven hundred eighty-nine million, eight hundred twenty-three thousand, four hundred nine".