194126400043 has 2 divisors, whose sum is σ = 194126400044. Its totient is φ = 194126400042.

The previous prime is 194126399989. The next prime is 194126400059. The reversal of 194126400043 is 340004621491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194126400043 - 2¹⁷ = 194126268971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194126399981 and 194126400008.

It is not a weakly prime, because it can be changed into another prime (194126400073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97063200021 + 97063200022.

It is an arithmetic number, because the mean of its divisors is an integer number (97063200022).

Almost surely, 2^194126400043 is an apocalyptic number.

194126400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

194126400043 is an equidigital number, since it uses as much as digits as its factorization.

194126400043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 194126400043 in words is "one hundred ninety-four billion, one hundred twenty-six million, four hundred thousand, forty-three".