6404111422 has 4 divisors (see below), whose sum is σ = 9606167136. Its totient is φ = 3202055710.

The previous prime is 6404111419. The next prime is 6404111437. The reversal of 6404111422 is 2241114046.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601027854 + ... + 1601027857.

It is an arithmetic number, because the mean of its divisors is an integer number (2401541784).

Almost surely, 2^6404111422 is an apocalyptic number.

6404111422 is a deficient number, since it is larger than the sum of its proper divisors (3202055714).

6404111422 is a wasteful number, since it uses less digits than its factorization.

6404111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202055713.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 6404111422 is about 80025.6922619230. The cubic root of 6404111422 is about 1857.0330218914.

Adding to 6404111422 its reverse (2241114046), we get a palindrome (8645225468).

The spelling of 6404111422 in words is "six billion, four hundred four million, one hundred eleven thousand, four hundred twenty-two".