13782858469 has 2 divisors, whose sum is σ = 13782858470. Its totient is φ = 13782858468.

The previous prime is 13782858461. The next prime is 13782858497. The reversal of 13782858469 is 96485828731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7859709025 + 5923149444 = 88655^2 + 76962^2 .

It is a cyclic number.

It is not a de Polignac number, because 13782858469 - 2³ = 13782858461 is a prime.

It is a super-2 number, since 2×13782858469² (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 (13782858461) 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, 6891429234 + 6891429235.

It is an arithmetic number, because the mean of its divisors is an integer number (6891429235).

Almost surely, 2^13782858469 is an apocalyptic number.

It is an amenable number.

13782858469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13782858469 is an equidigital number, since it uses as much as digits as its factorization.

13782858469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 61.

The spelling of 13782858469 in words is "thirteen billion, seven hundred eighty-two million, eight hundred fifty-eight thousand, four hundred sixty-nine".