11327643709 has 2 divisors, whose sum is σ = 11327643710. Its totient is φ = 11327643708.

The previous prime is 11327643707. The next prime is 11327643739. The reversal of 11327643709 is 90734672311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7894855609 + 3432788100 = 88853^2 + 58590^2 .

It is a cyclic number.

It is not a de Polignac number, because 11327643709 - 2¹ = 11327643707 is a prime.

Together with 11327643707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11327643707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663821854 + 5663821855.

It is an arithmetic number, because the mean of its divisors is an integer number (5663821855).

Almost surely, 2^11327643709 is an apocalyptic number.

It is an amenable number.

11327643709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11327643709 is an equidigital number, since it uses as much as digits as its factorization.

11327643709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 11327643709 in words is "eleven billion, three hundred twenty-seven million, six hundred forty-three thousand, seven hundred nine".