2988921641 has 2 divisors, whose sum is σ = 2988921642. Its totient is φ = 2988921640.

The previous prime is 2988921631. The next prime is 2988921647. The reversal of 2988921641 is 1461298892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2321216041 + 667705600 = 48179^2 + 25840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2988921641 - 2³⁰ = 1915179817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2988921641.

It is not a weakly prime, because it can be changed into another prime (2988921647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494460820 + 1494460821.

It is an arithmetic number, because the mean of its divisors is an integer number (1494460821).

Almost surely, 2^2988921641 is an apocalyptic number.

It is an amenable number.

2988921641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2988921641 is an equidigital number, since it uses as much as digits as its factorization.

2988921641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 50.

The square root of 2988921641 is about 54671.0310950873. The cubic root of 2988921641 is about 1440.4720740365.

The spelling of 2988921641 in words is "two billion, nine hundred eighty-eight million, nine hundred twenty-one thousand, six hundred forty-one".