635132642422 has 8 divisors (see below), whose sum is σ = 994120657776. Its totient is φ = 303759089832.

The previous prime is 635132642383. The next prime is 635132642453. The reversal of 635132642422 is 224246231536.

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

It is a super-2 number, since 2×635132642422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6903615633 + ... + 6903615724.

It is an arithmetic number, because the mean of its divisors is an integer number (124265082222).

Almost surely, 2^635132642422 is an apocalyptic number.

635132642422 is a deficient number, since it is larger than the sum of its proper divisors (358988015354).

635132642422 is a wasteful number, since it uses less digits than its factorization.

635132642422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13807231382.

The product of its digits is 414720, while the sum is 40.

Adding to 635132642422 its reverse (224246231536), we get a palindrome (859378873958).

The spelling of 635132642422 in words is "six hundred thirty-five billion, one hundred thirty-two million, six hundred forty-two thousand, four hundred twenty-two".