192518839349 has 2 divisors, whose sum is σ = 192518839350. Its totient is φ = 192518839348.

The previous prime is 192518839313. The next prime is 192518839361. The reversal of 192518839349 is 943938815291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147990243025 + 44528596324 = 384695^2 + 211018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192518839349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 192518839291 and 192518839300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192518839549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96259419674 + 96259419675.

It is an arithmetic number, because the mean of its divisors is an integer number (96259419675).

Almost surely, 2^192518839349 is an apocalyptic number.

It is an amenable number.

192518839349 is a deficient number, since it is larger than the sum of its proper divisors (1).

192518839349 is an equidigital number, since it uses as much as digits as its factorization.

192518839349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 62.

The spelling of 192518839349 in words is "one hundred ninety-two billion, five hundred eighteen million, eight hundred thirty-nine thousand, three hundred forty-nine".