11794617789 has 4 divisors (see below), whose sum is σ = 15726157056. Its totient is φ = 7863078524.

The previous prime is 11794617781. The next prime is 11794617797. The reversal of 11794617789 is 98771649711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11794617781) and next prime (11794617797).

It is a cyclic number.

It is not a de Polignac number, because 11794617789 - 2³ = 11794617781 is a prime.

It is a super-2 number, since 2×11794617789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11794617781) 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, 1965769629 + ... + 1965769634.

It is an arithmetic number, because the mean of its divisors is an integer number (3931539264).

Almost surely, 2^11794617789 is an apocalyptic number.

It is an amenable number.

11794617789 is a deficient number, since it is larger than the sum of its proper divisors (3931539267).

11794617789 is an equidigital number, since it uses as much as digits as its factorization.

11794617789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931539266.

The product of its digits is 5334336, while the sum is 60.

The spelling of 11794617789 in words is "eleven billion, seven hundred ninety-four million, six hundred seventeen thousand, seven hundred eighty-nine".