13895620841 has 2 divisors, whose sum is σ = 13895620842. Its totient is φ = 13895620840.

The previous prime is 13895620777. The next prime is 13895620861. The reversal of 13895620841 is 14802659831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12227715241 + 1667905600 = 110579^2 + 40840^2 .

It is a cyclic number.

It is not a de Polignac number, because 13895620841 - 2⁶ = 13895620777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13895620861) 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, 6947810420 + 6947810421.

It is an arithmetic number, because the mean of its divisors is an integer number (6947810421).

Almost surely, 2^13895620841 is an apocalyptic number.

It is an amenable number.

13895620841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13895620841 is an equidigital number, since it uses as much as digits as its factorization.

13895620841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 13895620841 in words is "thirteen billion, eight hundred ninety-five million, six hundred twenty thousand, eight hundred forty-one".