6916449838 has 4 divisors (see below), whose sum is σ = 10374674760. Its totient is φ = 3458224918.

The previous prime is 6916449811. The next prime is 6916449851. The reversal of 6916449838 is 8389446196.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1729112458 + ... + 1729112461.

It is an arithmetic number, because the mean of its divisors is an integer number (2593668690).

Almost surely, 2^6916449838 is an apocalyptic number.

6916449838 is a deficient number, since it is larger than the sum of its proper divisors (3458224922).

6916449838 is a wasteful number, since it uses less digits than its factorization.

6916449838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458224921.

The product of its digits is 8957952, while the sum is 58.

The square root of 6916449838 is about 83165.1960738385. The cubic root of 6916449838 is about 1905.2899523060.

The spelling of 6916449838 in words is "six billion, nine hundred sixteen million, four hundred forty-nine thousand, eight hundred thirty-eight".