2998633021 has 2 divisors, whose sum is σ = 2998633022. Its totient is φ = 2998633020.

The previous prime is 2998633019. The next prime is 2998633037. The reversal of 2998633021 is 1203368992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2993731225 + 4901796 = 54715^2 + 2214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2998633021 - 2¹ = 2998633019 is a prime.

Together with 2998633019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2998633061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499316510 + 1499316511.

It is an arithmetic number, because the mean of its divisors is an integer number (1499316511).

Almost surely, 2^2998633021 is an apocalyptic number.

It is an amenable number.

2998633021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998633021 is an equidigital number, since it uses as much as digits as its factorization.

2998633021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2998633021 is about 54759.7755747775. The cubic root of 2998633021 is about 1442.0304787075.

The spelling of 2998633021 in words is "two billion, nine hundred ninety-eight million, six hundred thirty-three thousand, twenty-one".