11734458209 has 2 divisors, whose sum is σ = 11734458210. Its totient is φ = 11734458208.

The previous prime is 11734458157. The next prime is 11734458223. The reversal of 11734458209 is 90285443711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9005440609 + 2729017600 = 94897^2 + 52240^2 .

It is a cyclic number.

It is not a de Polignac number, because 11734458209 - 2³² = 7439490913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11734458209.

It is not a weakly prime, because it can be changed into another prime (11734458409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5867229104 + 5867229105.

It is an arithmetic number, because the mean of its divisors is an integer number (5867229105).

Almost surely, 2^11734458209 is an apocalyptic number.

It is an amenable number.

11734458209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11734458209 is an equidigital number, since it uses as much as digits as its factorization.

11734458209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 11734458209 in words is "eleven billion, seven hundred thirty-four million, four hundred fifty-eight thousand, two hundred nine".