2236691044769 has 16 divisors (see below), whose sum is σ = 2400917367312. Its totient is φ = 2076098347008.

The previous prime is 2236691044759. The next prime is 2236691044793. The reversal of 2236691044769 is 9674401966322.

It can be written as a sum of positive squares in 8 ways, for example, as 14018560000 + 2222672484769 = 118400^2 + 1490863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2236691044769 is a prime.

It is a super-2 number, since 2×2236691044769² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236691044739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14957837 + ... + 15106629.

It is an arithmetic number, because the mean of its divisors is an integer number (150057335457).

Almost surely, 2^{2236691044769} is an apocalyptic number.

It is an amenable number.

2236691044769 is a deficient number, since it is larger than the sum of its proper divisors (164226322543).

2236691044769 is a wasteful number, since it uses less digits than its factorization.

2236691044769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160996.

The product of its (nonzero) digits is 23514624, while the sum is 59.

The spelling of 2236691044769 in words is "two trillion, two hundred thirty-six billion, six hundred ninety-one million, forty-four thousand, seven hundred sixty-nine".