13829734381 has 2 divisors, whose sum is σ = 13829734382. Its totient is φ = 13829734380.

The previous prime is 13829734333. The next prime is 13829734409. The reversal of 13829734381 is 18343792831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13538486025 + 291248356 = 116355^2 + 17066^2 .

It is a cyclic number.

It is not a de Polignac number, because 13829734381 - 2¹¹ = 13829732333 is a prime.

It is a super-2 number, since 2×13829734381² (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 (13829734981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914867190 + 6914867191.

It is an arithmetic number, because the mean of its divisors is an integer number (6914867191).

Almost surely, 2^13829734381 is an apocalyptic number.

It is an amenable number.

13829734381 is a deficient number, since it is larger than the sum of its proper divisors (1).

13829734381 is an equidigital number, since it uses as much as digits as its factorization.

13829734381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The spelling of 13829734381 in words is "thirteen billion, eight hundred twenty-nine million, seven hundred thirty-four thousand, three hundred eighty-one".