2873869321 has 2 divisors, whose sum is σ = 2873869322. Its totient is φ = 2873869320.

The previous prime is 2873869307. The next prime is 2873869331. The reversal of 2873869321 is 1239683782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1580460025 + 1293409296 = 39755^2 + 35964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2873869321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2873869331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436934660 + 1436934661.

It is an arithmetic number, because the mean of its divisors is an integer number (1436934661).

Almost surely, 2^2873869321 is an apocalyptic number.

It is an amenable number.

2873869321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873869321 is an equidigital number, since it uses as much as digits as its factorization.

2873869321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 2873869321 is about 53608.4818009240. The cubic root of 2873869321 is about 1421.7470596478.

The spelling of 2873869321 in words is "two billion, eight hundred seventy-three million, eight hundred sixty-nine thousand, three hundred twenty-one".