13242641233937 has 4 divisors (see below), whose sum is σ = 13242661081140. Its totient is φ = 13242621386736.

The previous prime is 13242641233903. The next prime is 13242641233981. The reversal of 13242641233937 is 73933214624231.

It is a Cunningham number, because it is equal to 3639044²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12072456007936 + 1170185226001 = 3474544^2 + 1081751^2 .

It is a cyclic number.

It is not a de Polignac number, because 13242641233937 - 2³⁸ = 12967763326993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13242641233637) 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 3 ways as a sum of consecutive naturals, for example, 8886638 + ... + 10269255.

It is an arithmetic number, because the mean of its divisors is an integer number (3310665270285).

Almost surely, 2^{13242641233937} is an apocalyptic number.

It is an amenable number.

13242641233937 is a deficient number, since it is larger than the sum of its proper divisors (19847203).

13242641233937 is an equidigital number, since it uses as much as digits as its factorization.

13242641233937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19847202.

The product of its digits is 3919104, while the sum is 50.

The spelling of 13242641233937 in words is "thirteen trillion, two hundred forty-two billion, six hundred forty-one million, two hundred thirty-three thousand, nine hundred thirty-seven".