202145612563 has 2 divisors, whose sum is σ = 202145612564. Its totient is φ = 202145612562.

The previous prime is 202145612531. The next prime is 202145612567. The reversal of 202145612563 is 365216541202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202145612563 - 2⁵ = 202145612531 is a prime.

It is not a weakly prime, because it can be changed into another prime (202145612567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101072806281 + 101072806282.

It is an arithmetic number, because the mean of its divisors is an integer number (101072806282).

Almost surely, 2^202145612563 is an apocalyptic number.

202145612563 is a deficient number, since it is larger than the sum of its proper divisors (1).

202145612563 is an equidigital number, since it uses as much as digits as its factorization.

202145612563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 202145612563 in words is "two hundred two billion, one hundred forty-five million, six hundred twelve thousand, five hundred sixty-three".