2663530388 has 12 divisors (see below), whose sum is σ = 4707329172. Its totient is φ = 1318579200.

The previous prime is 2663530379. The next prime is 2663530391. The reversal of 2663530388 is 8830353662.

It can be written as a sum of positive squares in 2 ways, for example, as 1482096004 + 1181434384 = 38498^2 + 34372^2 .

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, 3296045 + ... + 3296852.

It is an arithmetic number, because the mean of its divisors is an integer number (392277431).

Almost surely, 2^2663530388 is an apocalyptic number.

It is an amenable number.

2663530388 is a deficient number, since it is larger than the sum of its proper divisors (2043798784).

2663530388 is a wasteful number, since it uses less digits than its factorization.

2663530388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593002 (or 6593000 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 2663530388 is about 51609.4021279069. The cubic root of 2663530388 is about 1386.1786918914.

The spelling of 2663530388 in words is "two billion, six hundred sixty-three million, five hundred thirty thousand, three hundred eighty-eight".