6408606073 has 4 divisors (see below), whose sum is σ = 6417232128. Its totient is φ = 6399980020.

The previous prime is 6408606049. The next prime is 6408606089. The reversal of 6408606073 is 3706068046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6408606073 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6408606023) 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, 4311913 + ... + 4313398.

It is an arithmetic number, because the mean of its divisors is an integer number (1604308032).

Almost surely, 2^6408606073 is an apocalyptic number.

It is an amenable number.

6408606073 is a deficient number, since it is larger than the sum of its proper divisors (8626055).

6408606073 is an equidigital number, since it uses as much as digits as its factorization.

6408606073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626054.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6408606073 is about 80053.7698862458. The cubic root of 6408606073 is about 1857.4673659587.

The spelling of 6408606073 in words is "six billion, four hundred eight million, six hundred six thousand, seventy-three".