13844531807 has 2 divisors, whose sum is σ = 13844531808. Its totient is φ = 13844531806.

The previous prime is 13844531761. The next prime is 13844531837. The reversal of 13844531807 is 70813544831.

It is a strong prime.

It is an emirp because it is prime and its reverse (70813544831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13844531807 - 2¹⁴ = 13844515423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13844531837) 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, 6922265903 + 6922265904.

It is an arithmetic number, because the mean of its divisors is an integer number (6922265904).

Almost surely, 2^13844531807 is an apocalyptic number.

13844531807 is a deficient number, since it is larger than the sum of its proper divisors (1).

13844531807 is an equidigital number, since it uses as much as digits as its factorization.

13844531807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 13844531807 in words is "thirteen billion, eight hundred forty-four million, five hundred thirty-one thousand, eight hundred seven".