12532723289 has 16 divisors (see below), whose sum is σ = 13559291136. Its totient is φ = 11538566400.

The previous prime is 12532723279. The next prime is 12532723367. The reversal of 12532723289 is 98232723521.

It is a de Polignac number, because none of the positive numbers 2^k-12532723289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12532723279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539154 + ... + 2544084.

It is an arithmetic number, because the mean of its divisors is an integer number (847455696).

Almost surely, 2^12532723289 is an apocalyptic number.

It is an amenable number.

12532723289 is a deficient number, since it is larger than the sum of its proper divisors (1026567847).

12532723289 is a wasteful number, since it uses less digits than its factorization.

12532723289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176.

The product of its digits is 362880, while the sum is 44.

The spelling of 12532723289 in words is "twelve billion, five hundred thirty-two million, seven hundred twenty-three thousand, two hundred eighty-nine".