13839621127 has 2 divisors, whose sum is σ = 13839621128. Its totient is φ = 13839621126.

The previous prime is 13839621097. The next prime is 13839621139. The reversal of 13839621127 is 72112693831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13839621127 - 2⁷ = 13839620999 is a prime.

It is a super-2 number, since 2×13839621127² (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 (13839621197) 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, 6919810563 + 6919810564.

It is an arithmetic number, because the mean of its divisors is an integer number (6919810564).

Almost surely, 2^13839621127 is an apocalyptic number.

13839621127 is a deficient number, since it is larger than the sum of its proper divisors (1).

13839621127 is an equidigital number, since it uses as much as digits as its factorization.

13839621127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The spelling of 13839621127 in words is "thirteen billion, eight hundred thirty-nine million, six hundred twenty-one thousand, one hundred twenty-seven".