13322843970537 has 4 divisors (see below), whose sum is σ = 17763791960720. Its totient is φ = 8881895980356.

The previous prime is 13322843970419. The next prime is 13322843970547. The reversal of 13322843970537 is 73507934822331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13322843970537 - 2¹⁶ = 13322843905001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13322843970547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220473995087 + ... + 2220473995092.

It is an arithmetic number, because the mean of its divisors is an integer number (4440947990180).

Almost surely, 2^{13322843970537} is an apocalyptic number.

It is an amenable number.

13322843970537 is a deficient number, since it is larger than the sum of its proper divisors (4440947990183).

13322843970537 is an equidigital number, since it uses as much as digits as its factorization.

13322843970537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440947990182.

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 13322843970537 in words is "thirteen trillion, three hundred twenty-two billion, eight hundred forty-three million, nine hundred seventy thousand, five hundred thirty-seven".