6431642422 has 16 divisors (see below), whose sum is σ = 9706368672. Its totient is φ = 3196241920.

The previous prime is 6431642411. The next prime is 6431642429. The reversal of 6431642422 is 2242461346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431642429) 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, 223383 + ... + 250525.

It is an arithmetic number, because the mean of its divisors is an integer number (606648042).

Almost surely, 2^6431642422 is an apocalyptic number.

6431642422 is a deficient number, since it is larger than the sum of its proper divisors (3274726250).

6431642422 is a wasteful number, since it uses less digits than its factorization.

6431642422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27863.

The product of its digits is 55296, while the sum is 34.

The square root of 6431642422 is about 80197.5212958605. The cubic root of 6431642422 is about 1859.6903193911.

The spelling of 6431642422 in words is "six billion, four hundred thirty-one million, six hundred forty-two thousand, four hundred twenty-two".