6340739338 has 4 divisors (see below), whose sum is σ = 9511109010. Its totient is φ = 3170369668.

The previous prime is 6340739303. The next prime is 6340739347. The reversal of 6340739338 is 8339370436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5572174609 + 768564729 = 74647^2 + 27723^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585184833 + ... + 1585184836.

Almost surely, 2^6340739338 is an apocalyptic number.

6340739338 is a deficient number, since it is larger than the sum of its proper divisors (3170369672).

6340739338 is a wasteful number, since it uses less digits than its factorization.

6340739338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170369671.

The product of its (nonzero) digits is 979776, while the sum is 46.

The square root of 6340739338 is about 79628.7594905258. The cubic root of 6340739338 is about 1850.8872625418.

The spelling of 6340739338 in words is "six billion, three hundred forty million, seven hundred thirty-nine thousand, three hundred thirty-eight".