21132232716337 has 2 divisors, whose sum is σ = 21132232716338. Its totient is φ = 21132232716336.

The previous prime is 21132232716197. The next prime is 21132232716373. The reversal of 21132232716337 is 73361723223112.

Together with next prime (21132232716373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20962195245601 + 170037470736 = 4578449^2 + 412356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21132232716337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21132232716293 and 21132232716302.

It is not a weakly prime, because it can be changed into another prime (21132232713337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566116358168 + 10566116358169.

It is an arithmetic number, because the mean of its divisors is an integer number (10566116358169).

Almost surely, 2^{21132232716337} is an apocalyptic number.

It is an amenable number.

21132232716337 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132232716337 is an equidigital number, since it uses as much as digits as its factorization.

21132232716337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 43.

Adding to 21132232716337 its reverse (73361723223112), we get a palindrome (94493955939449).

The spelling of 21132232716337 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-two million, seven hundred sixteen thousand, three hundred thirty-seven".