186038465497 has 2 divisors, whose sum is σ = 186038465498. Its totient is φ = 186038465496.

The previous prime is 186038465491. The next prime is 186038465573. The reversal of 186038465497 is 794564830681.

It is a happy number.

186038465497 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., 135029791296 + 51008674201 = 367464^2 + 225851^2 .

It is a cyclic number.

It is not a de Polignac number, because 186038465497 - 2¹¹ = 186038463449 is a prime.

It is a super-2 number, since 2×186038465497² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (186038465491) 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, 93019232748 + 93019232749.

It is an arithmetic number, because the mean of its divisors is an integer number (93019232749).

Almost surely, 2^186038465497 is an apocalyptic number.

It is an amenable number.

186038465497 is a deficient number, since it is larger than the sum of its proper divisors (1).

186038465497 is an equidigital number, since it uses as much as digits as its factorization.

186038465497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 186038465497 in words is "one hundred eighty-six billion, thirty-eight million, four hundred sixty-five thousand, four hundred ninety-seven".