1965202163 has 2 divisors, whose sum is σ = 1965202164. Its totient is φ = 1965202162.

The previous prime is 1965202051. The next prime is 1965202223. The reversal of 1965202163 is 3612025691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1965202163 - 2¹⁶ = 1965136627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1965205163) 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, 982601081 + 982601082.

It is an arithmetic number, because the mean of its divisors is an integer number (982601082).

Almost surely, 2^1965202163 is an apocalyptic number.

1965202163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1965202163 is an equidigital number, since it uses as much as digits as its factorization.

1965202163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1965202163 is about 44330.6007516253. The cubic root of 1965202163 is about 1252.5711690854.

The spelling of 1965202163 in words is "one billion, nine hundred sixty-five million, two hundred two thousand, one hundred sixty-three".