3823173325261 has 2 divisors, whose sum is σ = 3823173325262. Its totient is φ = 3823173325260.

The previous prime is 3823173325259. The next prime is 3823173325297. The reversal of 3823173325261 is 1625233713283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2762543168100 + 1060630157161 = 1662090^2 + 1029869^2 .

It is a cyclic number.

It is not a de Polignac number, because 3823173325261 - 2¹ = 3823173325259 is a prime.

Together with 3823173325259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3823173325201) 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, 1911586662630 + 1911586662631.

It is an arithmetic number, because the mean of its divisors is an integer number (1911586662631).

Almost surely, 2^{3823173325261} is an apocalyptic number.

It is an amenable number.

3823173325261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3823173325261 is an equidigital number, since it uses as much as digits as its factorization.

3823173325261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The spelling of 3823173325261 in words is "three trillion, eight hundred twenty-three billion, one hundred seventy-three million, three hundred twenty-five thousand, two hundred sixty-one".