6423420652 has 12 divisors (see below), whose sum is σ = 12262894056. Its totient is φ = 2919736640.

The previous prime is 6423420637. The next prime is 6423420673. The reversal of 6423420652 is 2560243246.

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 in 3 ways as a sum of consecutive naturals, for example, 72993373 + ... + 72993460.

It is an arithmetic number, because the mean of its divisors is an integer number (1021907838).

Almost surely, 2^6423420652 is an apocalyptic number.

It is an amenable number.

6423420652 is a deficient number, since it is larger than the sum of its proper divisors (5839473404).

6423420652 is a wasteful number, since it uses less digits than its factorization.

6423420652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145986848 (or 145986846 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 6423420652 is about 80146.2454017654. The cubic root of 6423420652 is about 1858.8975480215.

Adding to 6423420652 its reverse (2560243246), we get a palindrome (8983663898).

The spelling of 6423420652 in words is "six billion, four hundred twenty-three million, four hundred twenty thousand, six hundred fifty-two".