2998668961 has 8 divisors (see below), whose sum is σ = 3071091464. Its totient is φ = 2927093760.

The previous prime is 2998668931. The next prime is 2998668983. The reversal of 2998668961 is 1698668992.

It can be written as a sum of positive squares in 4 ways, for example, as 11390625 + 2987278336 = 3375^2 + 54656^2 .

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 2998668961 - 2²⁹ = 2461798049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2998668893 and 2998668902.

It is not an unprimeable number, because it can be changed into a prime (2998668931) 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, 204660 + ... + 218821.

It is an arithmetic number, because the mean of its divisors is an integer number (383886433).

Almost surely, 2^2998668961 is an apocalyptic number.

It is an amenable number.

2998668961 is a deficient number, since it is larger than the sum of its proper divisors (72422503).

2998668961 is an equidigital number, since it uses as much as digits as its factorization.

2998668961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423651.

The product of its digits is 20155392, while the sum is 64.

The square root of 2998668961 is about 54760.1037343795. The cubic root of 2998668961 is about 1442.0362398180.

The spelling of 2998668961 in words is "two billion, nine hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred sixty-one".