185239141049069 has 2 divisors, whose sum is σ = 185239141049070. Its totient is φ = 185239141049068.

The previous prime is 185239141049057. The next prime is 185239141049107. The reversal of 185239141049069 is 960940141932581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100377054757225 + 84862086291844 = 10018835^2 + 9212062^2 .

It is a cyclic number.

It is not a de Polignac number, because 185239141049069 - 2²⁴ = 185239124271853 is a prime.

It is a super-2 number, since 2×185239141049069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185239141049269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92619570524534 + 92619570524535.

It is an arithmetic number, because the mean of its divisors is an integer number (92619570524535).

Almost surely, 2^{185239141049069} is an apocalyptic number.

It is an amenable number.

185239141049069 is a deficient number, since it is larger than the sum of its proper divisors (1).

185239141049069 is an equidigital number, since it uses as much as digits as its factorization.

185239141049069 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 185239141049069 in words is "one hundred eighty-five trillion, two hundred thirty-nine billion, one hundred forty-one million, forty-nine thousand, sixty-nine".