13834786549 has 2 divisors, whose sum is σ = 13834786550. Its totient is φ = 13834786548.

The previous prime is 13834786501. The next prime is 13834786573. The reversal of 13834786549 is 94568743831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11503635025 + 2331151524 = 107255^2 + 48282^2 .

It is a cyclic number.

It is not a de Polignac number, because 13834786549 - 2¹⁷ = 13834655477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13834786493 and 13834786502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13834786349) 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 as a sum of consecutive naturals, namely, 6917393274 + 6917393275.

It is an arithmetic number, because the mean of its divisors is an integer number (6917393275).

Almost surely, 2^13834786549 is an apocalyptic number.

It is an amenable number.

13834786549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13834786549 is an equidigital number, since it uses as much as digits as its factorization.

13834786549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 58.

The spelling of 13834786549 in words is "thirteen billion, eight hundred thirty-four million, seven hundred eighty-six thousand, five hundred forty-nine".