194963337929 has 2 divisors, whose sum is σ = 194963337930. Its totient is φ = 194963337928.

The previous prime is 194963337913. The next prime is 194963337973. The reversal of 194963337929 is 929733369491.

194963337929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152259942025 + 42703395904 = 390205^2 + 206648^2 .

It is a cyclic number.

It is not a de Polignac number, because 194963337929 - 2⁴ = 194963337913 is a prime.

It is not a weakly prime, because it can be changed into another prime (194963327929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97481668964 + 97481668965.

It is an arithmetic number, because the mean of its divisors is an integer number (97481668965).

Almost surely, 2^194963337929 is an apocalyptic number.

It is an amenable number.

194963337929 is a deficient number, since it is larger than the sum of its proper divisors (1).

194963337929 is an equidigital number, since it uses as much as digits as its factorization.

194963337929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59521392, while the sum is 65.

The spelling of 194963337929 in words is "one hundred ninety-four billion, nine hundred sixty-three million, three hundred thirty-seven thousand, nine hundred twenty-nine".