194036350409 has 8 divisors (see below), whose sum is σ = 212315527200. Its totient is φ = 175863758400.

The previous prime is 194036350331. The next prime is 194036350411. The reversal of 194036350409 is 904053630491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194036350409 - 2²⁸ = 193767914953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194036350409.

It is not an unprimeable number, because it can be changed into a prime (194036350499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26642384 + ... + 26649665.

It is an arithmetic number, because the mean of its divisors is an integer number (26539440900).

Almost surely, 2^194036350409 is an apocalyptic number.

It is an amenable number.

194036350409 is a deficient number, since it is larger than the sum of its proper divisors (18279176791).

194036350409 is a wasteful number, since it uses less digits than its factorization.

194036350409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53292391.

The product of its (nonzero) digits is 349920, while the sum is 44.

It can be divided in two parts, 194036 and 350409, that added together give a palindrome (544445).

The spelling of 194036350409 in words is "one hundred ninety-four billion, thirty-six million, three hundred fifty thousand, four hundred nine".