6422634143 has 4 divisors (see below), whose sum is σ = 6440828928. Its totient is φ = 6404439360.

The previous prime is 6422634109. The next prime is 6422634161. The reversal of 6422634143 is 3414362246.

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

It is a cyclic number.

It is not a de Polignac number, because 6422634143 - 2⁶ = 6422634079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422634173) 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, 9096863 + ... + 9097568.

It is an arithmetic number, because the mean of its divisors is an integer number (1610207232).

Almost surely, 2^6422634143 is an apocalyptic number.

6422634143 is a deficient number, since it is larger than the sum of its proper divisors (18194785).

6422634143 is a wasteful number, since it uses less digits than its factorization.

6422634143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194784.

The product of its digits is 82944, while the sum is 35.

The square root of 6422634143 is about 80141.3385401068. The cubic root of 6422634143 is about 1858.8216746716.

Adding to 6422634143 its reverse (3414362246), we get a palindrome (9836996389).

The spelling of 6422634143 in words is "six billion, four hundred twenty-two million, six hundred thirty-four thousand, one hundred forty-three".