2321585137109 has 32 divisors (see below), whose sum is σ = 2717887239936. Its totient is φ = 1941870228480.

The previous prime is 2321585137099. The next prime is 2321585137117. The reversal of 2321585137109 is 9017315851232.

It is not a de Polignac number, because 2321585137109 - 2¹² = 2321585133013 is a prime.

It is a super-4 number, since 4×2321585137109⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321585137609) 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 31 ways as a sum of consecutive naturals, for example, 73927199 + ... + 73958595.

It is an arithmetic number, because the mean of its divisors is an integer number (84933976248).

Almost surely, 2^{2321585137109} is an apocalyptic number.

It is an amenable number.

2321585137109 is a deficient number, since it is larger than the sum of its proper divisors (396302102827).

2321585137109 is a wasteful number, since it uses less digits than its factorization.

2321585137109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32525.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 2321585137109 in words is "two trillion, three hundred twenty-one billion, five hundred eighty-five million, one hundred thirty-seven thousand, one hundred nine".