11437993229 has 16 divisors (see below), whose sum is σ = 12559806000. Its totient is φ = 10351051776.

The previous prime is 11437993223. The next prime is 11437993241. The reversal of 11437993229 is 92239973411.

11437993229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1226890729 + 10211102500 = 35027^2 + 101050^2 .

It is not a de Polignac number, because 11437993229 - 2¹² = 11437989133 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11437993223) 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, 1020347 + ... + 1031495.

It is an arithmetic number, because the mean of its divisors is an integer number (784987875).

Almost surely, 2^11437993229 is an apocalyptic number.

It is an amenable number.

11437993229 is a deficient number, since it is larger than the sum of its proper divisors (1121812771).

11437993229 is a wasteful number, since it uses less digits than its factorization.

11437993229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704.

The product of its digits is 734832, while the sum is 50.

The spelling of 11437993229 in words is "eleven billion, four hundred thirty-seven million, nine hundred ninety-three thousand, two hundred twenty-nine".