2663629709 has 8 divisors (see below), whose sum is σ = 2961057792. Its totient is φ = 2379420720.

The previous prime is 2663629663. The next prime is 2663629723. The reversal of 2663629709 is 9079263662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2663629709 - 2¹⁶ = 2663564173 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 (2663629769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3304349 + ... + 3305154.

It is an arithmetic number, because the mean of its divisors is an integer number (370132224).

Almost surely, 2^2663629709 is an apocalyptic number.

It is an amenable number.

2663629709 is a deficient number, since it is larger than the sum of its proper divisors (297428083).

2663629709 is a wasteful number, since it uses less digits than its factorization.

2663629709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609547.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 2663629709 is about 51610.3643563965. The cubic root of 2663629709 is about 1386.1959215231.

The spelling of 2663629709 in words is "two billion, six hundred sixty-three million, six hundred twenty-nine thousand, seven hundred nine".