6630239738 has 8 divisors (see below), whose sum is σ = 10043828820. Its totient is φ = 3282296800.

The previous prime is 6630239729. The next prime is 6630239741. The reversal of 6630239738 is 8379320366.

It can be written as a sum of positive squares in 2 ways, for example, as 6423541609 + 206698129 = 80147^2 + 14377^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6630239692 and 6630239701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16411283 + ... + 16411686.

Almost surely, 2^6630239738 is an apocalyptic number.

6630239738 is a deficient number, since it is larger than the sum of its proper divisors (3413589082).

6630239738 is a wasteful number, since it uses less digits than its factorization.

6630239738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823072.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 6630239738 is about 81426.2840733875. The cubic root of 6630239738 is about 1878.6378901078.

The spelling of 6630239738 in words is "six billion, six hundred thirty million, two hundred thirty-nine thousand, seven hundred thirty-eight".