3821378088097 has 2 divisors, whose sum is σ = 3821378088098. Its totient is φ = 3821378088096.

The previous prime is 3821378088067. The next prime is 3821378088163. The reversal of 3821378088097 is 7908808731283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3778704444321 + 42673643776 = 1943889^2 + 206576^2 .

It is an emirp because it is prime and its reverse (7908808731283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3821378088097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3821378088037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910689044048 + 1910689044049.

It is an arithmetic number, because the mean of its divisors is an integer number (1910689044049).

Almost surely, 2^{3821378088097} is an apocalyptic number.

It is an amenable number.

3821378088097 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821378088097 is an equidigital number, since it uses as much as digits as its factorization.

3821378088097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 64.

The spelling of 3821378088097 in words is "three trillion, eight hundred twenty-one billion, three hundred seventy-eight million, eighty-eight thousand, ninety-seven".