11223043949 has 8 divisors (see below), whose sum is σ = 12193315512. Its totient is φ = 10268052480.

The previous prime is 11223043919. The next prime is 11223043961. The reversal of 11223043949 is 94934032211.

It can be written as a sum of positive squares in 4 ways, for example, as 733597225 + 10489446724 = 27085^2 + 102418^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11223043949 - 2¹² = 11223039853 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 (11223043919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818492 + ... + 3821429.

It is an arithmetic number, because the mean of its divisors is an integer number (1524164439).

Almost surely, 2^11223043949 is an apocalyptic number.

It is an amenable number.

11223043949 is a deficient number, since it is larger than the sum of its proper divisors (970271563).

11223043949 is a wasteful number, since it uses less digits than its factorization.

11223043949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640047.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 11223043949 in words is "eleven billion, two hundred twenty-three million, forty-three thousand, nine hundred forty-nine".