168426379943 has 2 divisors, whose sum is σ = 168426379944. Its totient is φ = 168426379942.

The previous prime is 168426379939. The next prime is 168426379949. The reversal of 168426379943 is 349973624861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168426379943 - 2² = 168426379939 is a prime.

It is a super-3 number, since 3×168426379943³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168426379949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84213189971 + 84213189972.

It is an arithmetic number, because the mean of its divisors is an integer number (84213189972).

Almost surely, 2^168426379943 is an apocalyptic number.

168426379943 is a deficient number, since it is larger than the sum of its proper divisors (1).

168426379943 is an equidigital number, since it uses as much as digits as its factorization.

168426379943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 62.

The spelling of 168426379943 in words is "one hundred sixty-eight billion, four hundred twenty-six million, three hundred seventy-nine thousand, nine hundred forty-three".