2877984649 has 2 divisors, whose sum is σ = 2877984650. Its totient is φ = 2877984648.

The previous prime is 2877984601. The next prime is 2877984667. The reversal of 2877984649 is 9464897782.

2877984649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2861501049 + 16483600 = 53493^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2877984649 - 2¹⁷ = 2877853577 is a prime.

It is a super-3 number, since 3×2877984649³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2877984049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1438992324 + 1438992325.

It is an arithmetic number, because the mean of its divisors is an integer number (1438992325).

Almost surely, 2^2877984649 is an apocalyptic number.

It is an amenable number.

2877984649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2877984649 is an equidigital number, since it uses as much as digits as its factorization.

2877984649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 64.

The square root of 2877984649 is about 53646.8512496307. The cubic root of 2877984649 is about 1422.4253745176.

The spelling of 2877984649 in words is "two billion, eight hundred seventy-seven million, nine hundred eighty-four thousand, six hundred forty-nine".