2312385546409 has 3 divisors (see below), whose sum is σ = 2312387067063. Its totient is φ = 2312384025756.

The previous prime is 2312385546407. The next prime is 2312385546431. The reversal of 2312385546409 is 9046455832132.

The square root of 2312385546409 is 1520653.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2022325747225 + 290059799184 = 1422085^2 + 538572^2 .

It is not a de Polignac number, because 2312385546409 - 2¹ = 2312385546407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312385546407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 760327 + ... + 2280979.

It is an arithmetic number, because the mean of its divisors is an integer number (770795689021).

Almost surely, 2^{2312385546409} is an apocalyptic number.

2312385546409 is the 1520653-rd square number.

2312385546409 is the 760327-th centered octagonal number.

It is an amenable number.

2312385546409 is a deficient number, since it is larger than the sum of its proper divisors (1520654).

2312385546409 is an frugal number, since it uses more digits than its factorization.

2312385546409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041306 (or 1520653 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 2312385546409 in words is "two trillion, three hundred twelve billion, three hundred eighty-five million, five hundred forty-six thousand, four hundred nine".