6630134405 has 4 divisors (see below), whose sum is σ = 7956161292. Its totient is φ = 5304107520.

The previous prime is 6630134387. The next prime is 6630134429. The reversal of 6630134405 is 5044310366.

6630134405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1192251841 + 5437882564 = 34529^2 + 73742^2 .

It is not a de Polignac number, because 6630134405 - 2¹⁶ = 6630068869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663013436 + ... + 663013445.

It is an arithmetic number, because the mean of its divisors is an integer number (1989040323).

Almost surely, 2^6630134405 is an apocalyptic number.

It is an amenable number.

6630134405 is a deficient number, since it is larger than the sum of its proper divisors (1326026887).

6630134405 is a wasteful number, since it uses less digits than its factorization.

6630134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326026886.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 6630134405 is about 81425.6372710708. The cubic root of 6630134405 is about 1878.6279415679.

The spelling of 6630134405 in words is "six billion, six hundred thirty million, one hundred thirty-four thousand, four hundred five".