11796997469 has 4 divisors (see below), whose sum is σ = 11800181820. Its totient is φ = 11793813120.

The previous prime is 11796997423. The next prime is 11796997489. The reversal of 11796997469 is 96479969711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1839552100 + 9957445369 = 42890^2 + 99787^2 .

It is a cyclic number.

It is not a de Polignac number, because 11796997469 - 2⁸ = 11796997213 is a prime.

It is a super-2 number, since 2×11796997469² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11796997399 and 11796997408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11796997409) 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, 1586612 + ... + 1594029.

It is an arithmetic number, because the mean of its divisors is an integer number (2950045455).

Almost surely, 2^11796997469 is an apocalyptic number.

It is an amenable number.

11796997469 is a deficient number, since it is larger than the sum of its proper divisors (3184351).

11796997469 is an equidigital number, since it uses as much as digits as its factorization.

11796997469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184350.

The product of its digits is 46294416, while the sum is 68.

The spelling of 11796997469 in words is "eleven billion, seven hundred ninety-six million, nine hundred ninety-seven thousand, four hundred sixty-nine".