186445140319 has 2 divisors, whose sum is σ = 186445140320. Its totient is φ = 186445140318.

The previous prime is 186445140311. The next prime is 186445140331. The reversal of 186445140319 is 913041544681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 186445140319 - 2³ = 186445140311 is a prime.

It is a super-2 number, since 2×186445140319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186445140311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93222570159 + 93222570160.

It is an arithmetic number, because the mean of its divisors is an integer number (93222570160).

Almost surely, 2^186445140319 is an apocalyptic number.

186445140319 is a deficient number, since it is larger than the sum of its proper divisors (1).

186445140319 is an equidigital number, since it uses as much as digits as its factorization.

186445140319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 186445140319 in words is "one hundred eighty-six billion, four hundred forty-five million, one hundred forty thousand, three hundred nineteen".