6424564658 has 30 divisors (see below), whose sum is σ = 10237427181. Its totient is φ = 3023831304.

The previous prime is 6424564633. The next prime is 6424564667. The reversal of 6424564658 is 8564654246.

It can be written as a sum of positive squares in 2 ways, for example, as 6136685569 + 287879089 = 78337^2 + 16967^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=56677.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 40920716 + ... + 40920872.

Almost surely, 2^6424564658 is an apocalyptic number.

6424564658 is a deficient number, since it is larger than the sum of its proper divisors (3812862523).

6424564658 is an frugal number, since it uses more digits than its factorization.

6424564658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 178 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 50.

The square root of 6424564658 is about 80153.3820746199. The cubic root of 6424564658 is about 1859.0078975185.

Multiplying 6424564658 by its sum of digits (50), we get a square (321228232900 = 566770²).

The spelling of 6424564658 in words is "six billion, four hundred twenty-four million, five hundred sixty-four thousand, six hundred fifty-eight".