13774258969 has 2 divisors, whose sum is σ = 13774258970. Its totient is φ = 13774258968.

The previous prime is 13774258877. The next prime is 13774258991. The reversal of 13774258969 is 96985247731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13319929744 + 454329225 = 115412^2 + 21315^2 .

It is a cyclic number.

It is not a de Polignac number, because 13774258969 - 2¹¹ = 13774256921 is a prime.

It is a super-2 number, since 2×13774258969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13774258999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6887129484 + 6887129485.

It is an arithmetic number, because the mean of its divisors is an integer number (6887129485).

Almost surely, 2^13774258969 is an apocalyptic number.

It is an amenable number.

13774258969 is a deficient number, since it is larger than the sum of its proper divisors (1).

13774258969 is an equidigital number, since it uses as much as digits as its factorization.

13774258969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The spelling of 13774258969 in words is "thirteen billion, seven hundred seventy-four million, two hundred fifty-eight thousand, nine hundred sixty-nine".