2867488021 has 2 divisors, whose sum is σ = 2867488022. Its totient is φ = 2867488020.

The previous prime is 2867488007. The next prime is 2867488027. The reversal of 2867488021 is 1208847682.

It is a happy number.

2867488021 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., 1924138225 + 943349796 = 43865^2 + 30714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2867488021 - 2⁵ = 2867487989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2867488027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433744010 + 1433744011.

It is an arithmetic number, because the mean of its divisors is an integer number (1433744011).

Almost surely, 2^2867488021 is an apocalyptic number.

It is an amenable number.

2867488021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2867488021 is an equidigital number, since it uses as much as digits as its factorization.

2867488021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 2867488021 is about 53548.9310911058. The cubic root of 2867488021 is about 1420.6939709496.

The spelling of 2867488021 in words is "two billion, eight hundred sixty-seven million, four hundred eighty-eight thousand, twenty-one".