13424434021337 has 2 divisors, whose sum is σ = 13424434021338. Its totient is φ = 13424434021336.

The previous prime is 13424434021309. The next prime is 13424434021447. The reversal of 13424434021337 is 73312043442431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10806577976896 + 2617856044441 = 3287336^2 + 1617979^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424434021337 - 2¹⁰ = 13424434020313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13424434021294 and 13424434021303.

It is not a weakly prime, because it can be changed into another prime (13424434027337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712217010668 + 6712217010669.

It is an arithmetic number, because the mean of its divisors is an integer number (6712217010669).

Almost surely, 2^{13424434021337} is an apocalyptic number.

It is an amenable number.

13424434021337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424434021337 is an equidigital number, since it uses as much as digits as its factorization.

13424434021337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 41.

Adding to 13424434021337 its reverse (73312043442431), we get a palindrome (86736477463768).

The spelling of 13424434021337 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-four million, twenty-one thousand, three hundred thirty-seven".