900202100020163 has 2 divisors, whose sum is σ = 900202100020164. Its totient is φ = 900202100020162.

The previous prime is 900202100020151. The next prime is 900202100020177. The reversal of 900202100020163 is 361020001202009.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 900202100020163 - 2¹⁰ = 900202100019139 is a prime.

It is not a weakly prime, because it can be changed into another prime (900202100020133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450101050010081 + 450101050010082.

It is an arithmetic number, because the mean of its divisors is an integer number (450101050010082).

Almost surely, 2^{900202100020163} is an apocalyptic number.

900202100020163 is a deficient number, since it is larger than the sum of its proper divisors (1).

900202100020163 is an equidigital number, since it uses as much as digits as its factorization.

900202100020163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 900202100020163 in words is "nine hundred trillion, two hundred two billion, one hundred million, twenty thousand, one hundred sixty-three".