11346643289 has 2 divisors, whose sum is σ = 11346643290. Its totient is φ = 11346643288.

The previous prime is 11346643279. The next prime is 11346643309. The reversal of 11346643289 is 98234664311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11280139264 + 66504025 = 106208^2 + 8155^2 .

It is a cyclic number.

It is not a de Polignac number, because 11346643289 - 2¹² = 11346639193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11346643229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5673321644 + 5673321645.

It is an arithmetic number, because the mean of its divisors is an integer number (5673321645).

Almost surely, 2^11346643289 is an apocalyptic number.

It is an amenable number.

11346643289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11346643289 is an equidigital number, since it uses as much as digits as its factorization.

11346643289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The spelling of 11346643289 in words is "eleven billion, three hundred forty-six million, six hundred forty-three thousand, two hundred eighty-nine".