6769998401 has 8 divisors (see below), whose sum is σ = 6797184744. Its totient is φ = 6742834560.

The previous prime is 6769998397. The next prime is 6769998449. The reversal of 6769998401 is 1048999676.

It is a Cunningham number, because it is equal to 82280²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1929317776 + 4840680625 = 43924^2 + 69575^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6769998401 - 2² = 6769998397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6769998491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849431 + ... + 857363.

It is an arithmetic number, because the mean of its divisors is an integer number (849648093).

Almost surely, 2^6769998401 is an apocalyptic number.

It is an amenable number.

6769998401 is a deficient number, since it is larger than the sum of its proper divisors (27186343).

6769998401 is a wasteful number, since it uses less digits than its factorization.

6769998401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 6769998401 is about 82280.0000060768. Note that the first 5 decimals coincide. The cubic root of 6769998401 is about 1891.7461351320.

The spelling of 6769998401 in words is "six billion, seven hundred sixty-nine million, nine hundred ninety-eight thousand, four hundred one".