11622316709 has 2 divisors, whose sum is σ = 11622316710. Its totient is φ = 11622316708.

The previous prime is 11622316703. The next prime is 11622316723. The reversal of 11622316709 is 90761322611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7487440900 + 4134875809 = 86530^2 + 64303^2 .

It is an emirp because it is prime and its reverse (90761322611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11622316709 - 2¹² = 11622312613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11622316703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811158354 + 5811158355.

It is an arithmetic number, because the mean of its divisors is an integer number (5811158355).

Almost surely, 2^11622316709 is an apocalyptic number.

It is an amenable number.

11622316709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622316709 is an equidigital number, since it uses as much as digits as its factorization.

11622316709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 11622316709 in words is "eleven billion, six hundred twenty-two million, three hundred sixteen thousand, seven hundred nine".