11842773269 has 2 divisors, whose sum is σ = 11842773270. Its totient is φ = 11842773268.

The previous prime is 11842773221. The next prime is 11842773277. The reversal of 11842773269 is 96237724811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11807430244 + 35343025 = 108662^2 + 5945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11842773269 - 2²⁰ = 11841724693 is a prime.

It is a super-2 number, since 2×11842773269² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11842773469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5921386634 + 5921386635.

It is an arithmetic number, because the mean of its divisors is an integer number (5921386635).

Almost surely, 2^11842773269 is an apocalyptic number.

It is an amenable number.

11842773269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11842773269 is an equidigital number, since it uses as much as digits as its factorization.

11842773269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 11842773269 in words is "eleven billion, eight hundred forty-two million, seven hundred seventy-three thousand, two hundred sixty-nine".