422056505549 has 8 divisors (see below), whose sum is σ = 482451856128. Its totient is φ = 361686546000.

The previous prime is 422056505509. The next prime is 422056505557. The reversal of 422056505549 is 945505650224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422056505549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422056505509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312122 + ... + 6378635.

It is an arithmetic number, because the mean of its divisors is an integer number (60306482016).

Almost surely, 2^422056505549 is an apocalyptic number.

It is an amenable number.

422056505549 is a deficient number, since it is larger than the sum of its proper divisors (60395350579).

422056505549 is a wasteful number, since it uses less digits than its factorization.

422056505549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695515.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 422056505549 in words is "four hundred twenty-two billion, fifty-six million, five hundred five thousand, five hundred forty-nine".