194963337973 has 2 divisors, whose sum is σ = 194963337974. Its totient is φ = 194963337972.

The previous prime is 194963337929. The next prime is 194963337977. The reversal of 194963337973 is 379733369491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114943375089 + 80019962884 = 339033^2 + 282878^2 .

It is a cyclic number.

It is not a de Polignac number, because 194963337973 - 2¹⁷ = 194963206901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194963337977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97481668986 + 97481668987.

It is an arithmetic number, because the mean of its divisors is an integer number (97481668987).

Almost surely, 2^194963337973 is an apocalyptic number.

It is an amenable number.

194963337973 is a deficient number, since it is larger than the sum of its proper divisors (1).

194963337973 is an equidigital number, since it uses as much as digits as its factorization.

194963337973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69441624, while the sum is 64.

The spelling of 194963337973 in words is "one hundred ninety-four billion, nine hundred sixty-three million, three hundred thirty-seven thousand, nine hundred seventy-three".