422134630657 has 4 divisors (see below), whose sum is σ = 423777178116. Its totient is φ = 420492083200.

The previous prime is 422134630633. The next prime is 422134630669. The reversal of 422134630657 is 756036431224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 395830980801 + 26303649856 = 629151^2 + 162184^2 .

It is a cyclic number.

It is not a de Polignac number, because 422134630657 - 2¹¹ = 422134628609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422134630607) 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, 821273344 + ... + 821273857.

It is an arithmetic number, because the mean of its divisors is an integer number (105944294529).

Almost surely, 2^422134630657 is an apocalyptic number.

It is an amenable number.

422134630657 is a deficient number, since it is larger than the sum of its proper divisors (1642547459).

422134630657 is a wasteful number, since it uses less digits than its factorization.

422134630657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642547458.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 422134630657 in words is "four hundred twenty-two billion, one hundred thirty-four million, six hundred thirty thousand, six hundred fifty-seven".