13821186707 has 2 divisors, whose sum is σ = 13821186708. Its totient is φ = 13821186706.

The previous prime is 13821186689. The next prime is 13821186751. The reversal of 13821186707 is 70768112831.

It is an a-pointer prime, because the next prime (13821186751) can be obtained adding 13821186707 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13821186707 - 2⁸ = 13821186451 is a prime.

It is not a weakly prime, because it can be changed into another prime (13821182707) 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, 6910593353 + 6910593354.

It is an arithmetic number, because the mean of its divisors is an integer number (6910593354).

Almost surely, 2^13821186707 is an apocalyptic number.

13821186707 is a deficient number, since it is larger than the sum of its proper divisors (1).

13821186707 is an equidigital number, since it uses as much as digits as its factorization.

13821186707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 13821186707 in words is "thirteen billion, eight hundred twenty-one million, one hundred eighty-six thousand, seven hundred seven".