193381680343 has 2 divisors, whose sum is σ = 193381680344. Its totient is φ = 193381680342.

The previous prime is 193381680311. The next prime is 193381680353. The reversal of 193381680343 is 343086183391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 193381680343 - 2⁵ = 193381680311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193381680353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96690840171 + 96690840172.

It is an arithmetic number, because the mean of its divisors is an integer number (96690840172).

Almost surely, 2^193381680343 is an apocalyptic number.

193381680343 is a deficient number, since it is larger than the sum of its proper divisors (1).

193381680343 is an equidigital number, since it uses as much as digits as its factorization.

193381680343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 193381680343 in words is "one hundred ninety-three billion, three hundred eighty-one million, six hundred eighty thousand, three hundred forty-three".