425453340163 has 2 divisors, whose sum is σ = 425453340164. Its totient is φ = 425453340162.

The previous prime is 425453340079. The next prime is 425453340223. The reversal of 425453340163 is 361043354524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425453340163 - 2²⁹ = 424916469251 is a prime.

It is not a weakly prime, because it can be changed into another prime (425453140163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212726670081 + 212726670082.

It is an arithmetic number, because the mean of its divisors is an integer number (212726670082).

Almost surely, 2^425453340163 is an apocalyptic number.

425453340163 is a deficient number, since it is larger than the sum of its proper divisors (1).

425453340163 is an equidigital number, since it uses as much as digits as its factorization.

425453340163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 425453340163 its reverse (361043354524), we get a palindrome (786496694687).

The spelling of 425453340163 in words is "four hundred twenty-five billion, four hundred fifty-three million, three hundred forty thousand, one hundred sixty-three".