2698668953 has 2 divisors, whose sum is σ = 2698668954. Its totient is φ = 2698668952.

The previous prime is 2698668937. The next prime is 2698668989. The reversal of 2698668953 is 3598668962.

2698668953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2384564224 + 314104729 = 48832^2 + 17723^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698668953 - 2⁴ = 2698668937 is a prime.

It is a super-2 number, since 2×2698668953² = 14565628235772232418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2698668353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349334476 + 1349334477.

It is an arithmetic number, because the mean of its divisors is an integer number (1349334477).

Almost surely, 2^2698668953 is an apocalyptic number.

It is an amenable number.

2698668953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698668953 is an equidigital number, since it uses as much as digits as its factorization.

2698668953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33592320, while the sum is 62.

The square root of 2698668953 is about 51948.7146424240. The cubic root of 2698668953 is about 1392.2477912538.

Subtracting 2698668953 from its reverse (3598668962), we obtain a palindrome (900000009).

The spelling of 2698668953 in words is "two billion, six hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred fifty-three".