3334850166821 has 2 divisors, whose sum is σ = 3334850166822. Its totient is φ = 3334850166820.

The previous prime is 3334850166803. The next prime is 3334850166847. The reversal of 3334850166821 is 1286610584333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121569946721 + 1213280220100 = 1456561^2 + 1101490^2 .

It is a cyclic number.

It is not a de Polignac number, because 3334850166821 - 2¹⁰ = 3334850165797 is a prime.

It is a super-2 number, since 2×3334850166821² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3334850166821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3334850166121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667425083410 + 1667425083411.

It is an arithmetic number, because the mean of its divisors is an integer number (1667425083411).

Almost surely, 2^{3334850166821} is an apocalyptic number.

It is an amenable number.

3334850166821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3334850166821 is an equidigital number, since it uses as much as digits as its factorization.

3334850166821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 3334850166821 in words is "three trillion, three hundred thirty-four billion, eight hundred fifty million, one hundred sixty-six thousand, eight hundred twenty-one".