6405055005 has 16 divisors (see below), whose sum is σ = 10249089984. Its totient is φ = 3415695360.

The previous prime is 6405054991. The next prime is 6405055009. The reversal of 6405055005 is 5005505046.

It is not a de Polignac number, because 6405055005 - 2⁸ = 6405054749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405055009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256902 + ... + 280728.

It is an arithmetic number, because the mean of its divisors is an integer number (640568124).

Almost surely, 2^6405055005 is an apocalyptic number.

It is an amenable number.

6405055005 is a deficient number, since it is larger than the sum of its proper divisors (3844034979).

6405055005 is a wasteful number, since it uses less digits than its factorization.

6405055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41756.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 6405055005 is about 80031.5875451687. The cubic root of 6405055005 is about 1857.1242226124.

The spelling of 6405055005 in words is "six billion, four hundred five million, fifty-five thousand, five".