1933941850171 has 2 divisors, whose sum is σ = 1933941850172. Its totient is φ = 1933941850170.

The previous prime is 1933941850153. The next prime is 1933941850297. The reversal of 1933941850171 is 1710581493391.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1710581493391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1933941850171 - 2²⁷ = 1933807632443 is a prime.

It is a super-2 number, since 2×1933941850171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1933941850871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966970925085 + 966970925086.

It is an arithmetic number, because the mean of its divisors is an integer number (966970925086).

Almost surely, 2^{1933941850171} is an apocalyptic number.

1933941850171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1933941850171 is an equidigital number, since it uses as much as digits as its factorization.

1933941850171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 1933941850171 in words is "one trillion, nine hundred thirty-three billion, nine hundred forty-one million, eight hundred fifty thousand, one hundred seventy-one".