6628509363 has 16 divisors (see below), whose sum is σ = 10167481856. Its totient is φ = 3762633600.

The previous prime is 6628509361. The next prime is 6628509443. The reversal of 6628509363 is 3639058266.

It is not a de Polignac number, because 6628509363 - 2¹ = 6628509361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6628509361) 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, 1042006 + ... + 1048347.

It is an arithmetic number, because the mean of its divisors is an integer number (635467616).

Almost surely, 2^6628509363 is an apocalyptic number.

6628509363 is a deficient number, since it is larger than the sum of its proper divisors (3538972493).

6628509363 is a wasteful number, since it uses less digits than its factorization.

6628509363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090514.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The square root of 6628509363 is about 81415.6579719159. The cubic root of 6628509363 is about 1878.4744454962.

The spelling of 6628509363 in words is "six billion, six hundred twenty-eight million, five hundred nine thousand, three hundred sixty-three".