422495536409 has 4 divisors (see below), whose sum is σ = 422496836916. Its totient is φ = 422494235904.

The previous prime is 422495536369. The next prime is 422495536433. The reversal of 422495536409 is 904635594224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 361916544025 + 60578992384 = 601595^2 + 246128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422495536409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422495530409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297737 + ... + 966249.

It is an arithmetic number, because the mean of its divisors is an integer number (105624209229).

Almost surely, 2^422495536409 is an apocalyptic number.

It is an amenable number.

422495536409 is a deficient number, since it is larger than the sum of its proper divisors (1300507).

422495536409 is an equidigital number, since it uses as much as digits as its factorization.

422495536409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300506.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 422495536409 in words is "four hundred twenty-two billion, four hundred ninety-five million, five hundred thirty-six thousand, four hundred nine".