13168037849 has 2 divisors, whose sum is σ = 13168037850. Its totient is φ = 13168037848.

The previous prime is 13168037821. The next prime is 13168037851. The reversal of 13168037849 is 94873086131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11665080025 + 1502957824 = 108005^2 + 38768^2 .

It is a cyclic number.

It is not a de Polignac number, because 13168037849 - 2⁸ = 13168037593 is a prime.

Together with 13168037851, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13168037797 and 13168037806.

It is not a weakly prime, because it can be changed into another prime (13168037819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6584018924 + 6584018925.

It is an arithmetic number, because the mean of its divisors is an integer number (6584018925).

Almost surely, 2^13168037849 is an apocalyptic number.

It is an amenable number.

13168037849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13168037849 is an equidigital number, since it uses as much as digits as its factorization.

13168037849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 13168037849 in words is "thirteen billion, one hundred sixty-eight million, thirty-seven thousand, eight hundred forty-nine".