11874314909 has 2 divisors, whose sum is σ = 11874314910. Its totient is φ = 11874314908.

The previous prime is 11874314867. The next prime is 11874314911. The reversal of 11874314909 is 90941347811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11109792409 + 764522500 = 105403^2 + 27650^2 .

It is a cyclic number.

It is not a de Polignac number, because 11874314909 - 2⁸ = 11874314653 is a prime.

Together with 11874314911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874314939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937157454 + 5937157455.

It is an arithmetic number, because the mean of its divisors is an integer number (5937157455).

Almost surely, 2^11874314909 is an apocalyptic number.

It is an amenable number.

11874314909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874314909 is an equidigital number, since it uses as much as digits as its factorization.

11874314909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 11874314909 in words is "eleven billion, eight hundred seventy-four million, three hundred fourteen thousand, nine hundred nine".