11922404609 has 2 divisors, whose sum is σ = 11922404610. Its totient is φ = 11922404608.

The previous prime is 11922404573. The next prime is 11922404617. The reversal of 11922404609 is 90640422911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10505635009 + 1416769600 = 102497^2 + 37640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11922404609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11922404699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961202304 + 5961202305.

It is an arithmetic number, because the mean of its divisors is an integer number (5961202305).

Almost surely, 2^11922404609 is an apocalyptic number.

It is an amenable number.

11922404609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11922404609 is an equidigital number, since it uses as much as digits as its factorization.

11922404609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 11922404609 in words is "eleven billion, nine hundred twenty-two million, four hundred four thousand, six hundred nine".