194126268971 has 2 divisors, whose sum is σ = 194126268972. Its totient is φ = 194126268970.

The previous prime is 194126268961. The next prime is 194126268989. The reversal of 194126268971 is 179862621491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194126268971 - 2¹⁴ = 194126252587 is a prime.

It is not a weakly prime, because it can be changed into another prime (194126268961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97063134485 + 97063134486.

It is an arithmetic number, because the mean of its divisors is an integer number (97063134486).

Almost surely, 2^194126268971 is an apocalyptic number.

194126268971 is a deficient number, since it is larger than the sum of its proper divisors (1).

194126268971 is an equidigital number, since it uses as much as digits as its factorization.

194126268971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 56.

The spelling of 194126268971 in words is "one hundred ninety-four billion, one hundred twenty-six million, two hundred sixty-eight thousand, nine hundred seventy-one".