2698668904 has 8 divisors (see below), whose sum is σ = 5060004210. Its totient is φ = 1349334448.

The previous prime is 2698668901. The next prime is 2698668911. The reversal of 2698668904 is 4098668962.

It can be written as a sum of positive squares in only one way, i.e., 1410002500 + 1288666404 = 37550^2 + 35898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2698668904² = 14565627706833122432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2698668901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168666799 + ... + 168666814.

Almost surely, 2^2698668904 is an apocalyptic number.

It is an amenable number.

2698668904 is a deficient number, since it is larger than the sum of its proper divisors (2361335306).

2698668904 is a wasteful number, since it uses less digits than its factorization.

2698668904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337333619 (or 337333615 counting only the distinct ones).

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

The square root of 2698668904 is about 51948.7141708050. The cubic root of 2698668904 is about 1392.2477828275.

Adding to 2698668904 its sum of digits (58), we get a palindrome (2698668962).

The spelling of 2698668904 in words is "two billion, six hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred four".