2698969121 has 2 divisors, whose sum is σ = 2698969122. Its totient is φ = 2698969120.

The previous prime is 2698969103. The next prime is 2698969157. The reversal of 2698969121 is 1219698962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2645970721 + 52998400 = 51439^2 + 7280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698969121 - 2¹⁸ = 2698706977 is a prime.

It is a super-2 number, since 2×2698969121² = 14568868632223025282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2698968121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349484560 + 1349484561.

It is an arithmetic number, because the mean of its divisors is an integer number (1349484561).

Almost surely, 2^2698969121 is an apocalyptic number.

It is an amenable number.

2698969121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698969121 is an equidigital number, since it uses as much as digits as its factorization.

2698969121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 53.

The square root of 2698969121 is about 51951.6036422361. The cubic root of 2698969121 is about 1392.2994083966.

The spelling of 2698969121 in words is "two billion, six hundred ninety-eight million, nine hundred sixty-nine thousand, one hundred twenty-one".