2065386187 has 2 divisors, whose sum is σ = 2065386188. Its totient is φ = 2065386186.

The previous prime is 2065386181. The next prime is 2065386247. The reversal of 2065386187 is 7816835602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065386187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2065386181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032693093 + 1032693094.

It is an arithmetic number, because the mean of its divisors is an integer number (1032693094).

Almost surely, 2^2065386187 is an apocalyptic number.

2065386187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065386187 is an equidigital number, since it uses as much as digits as its factorization.

2065386187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2065386187 is about 45446.5200757990. The cubic root of 2065386187 is about 1273.5043206159.

The spelling of 2065386187 in words is "two billion, sixty-five million, three hundred eighty-six thousand, one hundred eighty-seven".