11847795469 has 2 divisors, whose sum is σ = 11847795470. Its totient is φ = 11847795468.

The previous prime is 11847795383. The next prime is 11847795529. The reversal of 11847795469 is 96459774811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9635974569 + 2211820900 = 98163^2 + 47030^2 .

It is a cyclic number.

It is not a de Polignac number, because 11847795469 - 2¹³ = 11847787277 is a prime.

It is a super-2 number, since 2×11847795469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11647795469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923897734 + 5923897735.

It is an arithmetic number, because the mean of its divisors is an integer number (5923897735).

Almost surely, 2^11847795469 is an apocalyptic number.

It is an amenable number.

11847795469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847795469 is an equidigital number, since it uses as much as digits as its factorization.

11847795469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 61.

The spelling of 11847795469 in words is "eleven billion, eight hundred forty-seven million, seven hundred ninety-five thousand, four hundred sixty-nine".