2859744521 has 2 divisors, whose sum is σ = 2859744522. Its totient is φ = 2859744520.

The previous prime is 2859744509. The next prime is 2859744523. The reversal of 2859744521 is 1254479582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2844728896 + 15015625 = 53336^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2859744521 - 2⁶ = 2859744457 is a prime.

It is a Sophie Germain prime.

Together with 2859744523, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2859744523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429872260 + 1429872261.

It is an arithmetic number, because the mean of its divisors is an integer number (1429872261).

Almost surely, 2^2859744521 is an apocalyptic number.

It is an amenable number.

2859744521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2859744521 is an equidigital number, since it uses as much as digits as its factorization.

2859744521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The square root of 2859744521 is about 53476.5791819185. The cubic root of 2859744521 is about 1419.4139817237.

The spelling of 2859744521 in words is "two billion, eight hundred fifty-nine million, seven hundred forty-four thousand, five hundred twenty-one".