105768343391 has 2 divisors, whose sum is σ = 105768343392. Its totient is φ = 105768343390.

The previous prime is 105768343379. The next prime is 105768343451. The reversal of 105768343391 is 193343867501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105768343391 - 2²² = 105764149087 is a prime.

It is a super-2 number, since 2×105768343391² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105768343361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52884171695 + 52884171696.

It is an arithmetic number, because the mean of its divisors is an integer number (52884171696).

Almost surely, 2^105768343391 is an apocalyptic number.

105768343391 is a deficient number, since it is larger than the sum of its proper divisors (1).

105768343391 is an equidigital number, since it uses as much as digits as its factorization.

105768343391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 105768343391 in words is "one hundred five billion, seven hundred sixty-eight million, three hundred forty-three thousand, three hundred ninety-one".