6626839697798 has 4 divisors (see below), whose sum is σ = 9940259546700. Its totient is φ = 3313419848898.

The previous prime is 6626839697747. The next prime is 6626839697809. The reversal of 6626839697798 is 8977969386266.

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

It is a super-2 number, since 2×6626839697798² (a number of 26 digits) contains 22 as substring.

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, 1656709924448 + ... + 1656709924451.

It is an arithmetic number, because the mean of its divisors is an integer number (2485064886675).

Almost surely, 2^{6626839697798} is an apocalyptic number.

6626839697798 is a deficient number, since it is larger than the sum of its proper divisors (3313419848902).

6626839697798 is a wasteful number, since it uses less digits than its factorization.

6626839697798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313419848901.

The product of its digits is 17777055744, while the sum is 86.

The spelling of 6626839697798 in words is "six trillion, six hundred twenty-six billion, eight hundred thirty-nine million, six hundred ninety-seven thousand, seven hundred ninety-eight".