2310557009 has 6 divisors (see below), whose sum is σ = 2367227394. Its totient is φ = 2253901680.

The previous prime is 2310556999. The next prime is 2310557021. The reversal of 2310557009 is 9007550132.

It can be written as a sum of positive squares in only one way, i.e., 1408876225 + 901680784 = 37535^2 + 30028^2 .

It is not a de Polignac number, because 2310557009 - 2²⁰ = 2309508433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310557099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304034 + ... + 311540.

It is an arithmetic number, because the mean of its divisors is an integer number (394537899).

Almost surely, 2^2310557009 is an apocalyptic number.

It is an amenable number.

2310557009 is a deficient number, since it is larger than the sum of its proper divisors (56670385).

2310557009 is an frugal number, since it uses more digits than its factorization.

2310557009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055 (or 7548 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 2310557009 is about 48068.2536504084. The cubic root of 2310557009 is about 1322.0226507319.

The spelling of 2310557009 in words is "two billion, three hundred ten million, five hundred fifty-seven thousand, nine".