2185130963 has 2 divisors, whose sum is σ = 2185130964. Its totient is φ = 2185130962.

The previous prime is 2185130933. The next prime is 2185130971. The reversal of 2185130963 is 3690315812.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2185130963 - 2¹⁶ = 2185065427 is a prime.

It is a super-2 number, since 2×2185130963² = 9549594650922614738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2185130923) 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, 1092565481 + 1092565482.

It is an arithmetic number, because the mean of its divisors is an integer number (1092565482).

Almost surely, 2^2185130963 is an apocalyptic number.

2185130963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185130963 is an equidigital number, since it uses as much as digits as its factorization.

2185130963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2185130963 is about 46745.3844031686. The cubic root of 2185130963 is about 1297.6547386433.

The spelling of 2185130963 in words is "two billion, one hundred eighty-five million, one hundred thirty thousand, nine hundred sixty-three".