65385532187 has 2 divisors, whose sum is σ = 65385532188. Its totient is φ = 65385532186.

The previous prime is 65385532159. The next prime is 65385532249. The reversal of 65385532187 is 78123558356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65385532187 - 2⁸ = 65385531931 is a prime.

It is not a weakly prime, because it can be changed into another prime (65385532127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32692766093 + 32692766094.

It is an arithmetic number, because the mean of its divisors is an integer number (32692766094).

Almost surely, 2^65385532187 is an apocalyptic number.

65385532187 is a deficient number, since it is larger than the sum of its proper divisors (1).

65385532187 is an equidigital number, since it uses as much as digits as its factorization.

65385532187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048000, while the sum is 53.

The spelling of 65385532187 in words is "sixty-five billion, three hundred eighty-five million, five hundred thirty-two thousand, one hundred eighty-seven".