192943381 has 2 divisors, whose sum is σ = 192943382. Its totient is φ = 192943380.

The previous prime is 192943357. The next prime is 192943397. The reversal of 192943381 is 183349291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116100625 + 76842756 = 10775^2 + 8766^2 .

It is a cyclic number.

It is not a de Polignac number, because 192943381 - 2¹³ = 192935189 is a prime.

It is a super-2 number, since 2×192943381² = 74454296543422322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192943321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96471690 + 96471691.

It is an arithmetic number, because the mean of its divisors is an integer number (96471691).

Almost surely, 2^192943381 is an apocalyptic number.

It is an amenable number.

192943381 is a deficient number, since it is larger than the sum of its proper divisors (1).

192943381 is an equidigital number, since it uses as much as digits as its factorization.

192943381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 192943381 is about 13890.4060775774. The cubic root of 192943381 is about 577.8431395881.

The spelling of 192943381 in words is "one hundred ninety-two million, nine hundred forty-three thousand, three hundred eighty-one".