6899497922 has 8 divisors (see below), whose sum is σ = 10349773500. Its totient is φ = 3449573424.

The previous prime is 6899497921. The next prime is 6899497931. The reversal of 6899497922 is 2297949986.

It can be written as a sum of positive squares in 2 ways, for example, as 6895807681 + 3690241 = 83041^2 + 1921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6899497921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31397 + ... + 121592.

Almost surely, 2^6899497922 is an apocalyptic number.

6899497922 is a deficient number, since it is larger than the sum of its proper divisors (3450275578).

6899497922 is a wasteful number, since it uses less digits than its factorization.

6899497922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175540.

The product of its digits is 35271936, while the sum is 65.

The square root of 6899497922 is about 83063.2164197848. The cubic root of 6899497922 is about 1903.7320847475.

The spelling of 6899497922 in words is "six billion, eight hundred ninety-nine million, four hundred ninety-seven thousand, nine hundred twenty-two".