186053519493 has 12 divisors (see below), whose sum is σ = 268747790220. Its totient is φ = 124033917696.

The previous prime is 186053519453. The next prime is 186053519503. The reversal of 186053519493 is 394915350681.

186053519493 is a `hidden beast` number, since 1 + 8 + 6 + 0 + 535 + 19 + 4 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93322307169 + 92731212324 = 305487^2 + 304518^2 .

It is not a de Polignac number, because 186053519493 - 2¹⁷ = 186053388421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186053519413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965173 + ... + 1141781.

It is an arithmetic number, because the mean of its divisors is an integer number (22395649185).

Almost surely, 2^186053519493 is an apocalyptic number.

It is an amenable number.

186053519493 is a deficient number, since it is larger than the sum of its proper divisors (82694270727).

186053519493 is a wasteful number, since it uses less digits than its factorization.

186053519493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293668 (or 293665 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 186053519493 in words is "one hundred eighty-six billion, fifty-three million, five hundred nineteen thousand, four hundred ninety-three".