6629130309 has 4 divisors (see below), whose sum is σ = 8838840416. Its totient is φ = 4419420204.

The previous prime is 6629130307. The next prime is 6629130317. The reversal of 6629130309 is 9030319266.

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 not a de Polignac number, because 6629130309 - 2¹ = 6629130307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629130301) 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, 1104855049 + ... + 1104855054.

It is an arithmetic number, because the mean of its divisors is an integer number (2209710104).

Almost surely, 2^6629130309 is an apocalyptic number.

It is an amenable number.

6629130309 is a deficient number, since it is larger than the sum of its proper divisors (2209710107).

6629130309 is a wasteful number, since it uses less digits than its factorization.

6629130309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209710106.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 6629130309 is about 81419.4713136852. The cubic root of 6629130309 is about 1878.5331009549.

The spelling of 6629130309 in words is "six billion, six hundred twenty-nine million, one hundred thirty thousand, three hundred nine".