194130706019 has 2 divisors, whose sum is σ = 194130706020. Its totient is φ = 194130706018.

The previous prime is 194130706013. The next prime is 194130706057. The reversal of 194130706019 is 910607031491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194130706019 - 2²⁴ = 194113928803 is a prime.

It is a super-2 number, since 2×194130706019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194130706013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97065353009 + 97065353010.

It is an arithmetic number, because the mean of its divisors is an integer number (97065353010).

Almost surely, 2^194130706019 is an apocalyptic number.

194130706019 is a deficient number, since it is larger than the sum of its proper divisors (1).

194130706019 is an equidigital number, since it uses as much as digits as its factorization.

194130706019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 194130706019 in words is "one hundred ninety-four billion, one hundred thirty million, seven hundred six thousand, nineteen".