13257773869 has 2 divisors, whose sum is σ = 13257773870. Its totient is φ = 13257773868.

The previous prime is 13257773831. The next prime is 13257773891. The reversal of 13257773869 is 96837775231.

It is a happy number.

13257773869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12811296969 + 446476900 = 113187^2 + 21130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13257773869 - 2²⁷ = 13123556141 is a prime.

It is a super-2 number, since 2×13257773869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13257773819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628886934 + 6628886935.

It is an arithmetic number, because the mean of its divisors is an integer number (6628886935).

Almost surely, 2^13257773869 is an apocalyptic number.

It is an amenable number.

13257773869 is a deficient number, since it is larger than the sum of its proper divisors (1).

13257773869 is an equidigital number, since it uses as much as digits as its factorization.

13257773869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 58.

The spelling of 13257773869 in words is "thirteen billion, two hundred fifty-seven million, seven hundred seventy-three thousand, eight hundred sixty-nine".