2864486021 has 2 divisors, whose sum is σ = 2864486022. Its totient is φ = 2864486020.

The previous prime is 2864486003. The next prime is 2864486029. The reversal of 2864486021 is 1206844682.

2864486021 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., 2831836225 + 32649796 = 53215^2 + 5714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864486021 - 2¹⁴ = 2864469637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2864486021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864486029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432243010 + 1432243011.

It is an arithmetic number, because the mean of its divisors is an integer number (1432243011).

Almost surely, 2^2864486021 is an apocalyptic number.

It is an amenable number.

2864486021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864486021 is an equidigital number, since it uses as much as digits as its factorization.

2864486021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 2864486021 is about 53520.8933127989. The cubic root of 2864486021 is about 1420.1980185730.

The spelling of 2864486021 in words is "two billion, eight hundred sixty-four million, four hundred eighty-six thousand, twenty-one".