2271236706509 has 8 divisors (see below), whose sum is σ = 2349572236320. Its totient is φ = 2192902311600.

The previous prime is 2271236706457. The next prime is 2271236706511. The reversal of 2271236706509 is 9056076321722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2271236706509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271236702509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6710474 + ... + 7040804.

It is an arithmetic number, because the mean of its divisors is an integer number (293696529540).

Almost surely, 2^{2271236706509} is an apocalyptic number.

2271236706509 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2271236706509 is a deficient number, since it is larger than the sum of its proper divisors (78335529811).

2271236706509 is a wasteful number, since it uses less digits than its factorization.

2271236706509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567451.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 2271236706509 in words is "two trillion, two hundred seventy-one billion, two hundred thirty-six million, seven hundred six thousand, five hundred nine".