6435480505 has 4 divisors (see below), whose sum is σ = 7722576612. Its totient is φ = 5148384400.

The previous prime is 6435480503. The next prime is 6435480547. The reversal of 6435480505 is 5050845346.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4739358649 + 1696121856 = 68843^2 + 41184^2 .

It is not a de Polignac number, because 6435480505 - 2¹ = 6435480503 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 (6435480503) 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, 643548046 + ... + 643548055.

It is an arithmetic number, because the mean of its divisors is an integer number (1930644153).

Almost surely, 2^6435480505 is an apocalyptic number.

It is an amenable number.

6435480505 is a deficient number, since it is larger than the sum of its proper divisors (1287096107).

6435480505 is a wasteful number, since it uses less digits than its factorization.

6435480505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287096106.

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 6435480505 is about 80221.4466648414. The cubic root of 6435480505 is about 1860.0601692680.

The spelling of 6435480505 in words is "six billion, four hundred thirty-five million, four hundred eighty thousand, five hundred five".