192530265509 has 2 divisors, whose sum is σ = 192530265510. Its totient is φ = 192530265508.

The previous prime is 192530265503. The next prime is 192530265527. The reversal of 192530265509 is 905562035291.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143430353284 + 49099912225 = 378722^2 + 221585^2 .

It is a cyclic number.

It is not a de Polignac number, because 192530265509 - 2⁸ = 192530265253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192530265503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96265132754 + 96265132755.

It is an arithmetic number, because the mean of its divisors is an integer number (96265132755).

Almost surely, 2^192530265509 is an apocalyptic number.

It is an amenable number.

192530265509 is a deficient number, since it is larger than the sum of its proper divisors (1).

192530265509 is an equidigital number, since it uses as much as digits as its factorization.

192530265509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 192530265509 in words is "one hundred ninety-two billion, five hundred thirty million, two hundred sixty-five thousand, five hundred nine".