12900009589 has 8 divisors (see below), whose sum is σ = 13211508992. Its totient is φ = 12589032960.

The previous prime is 12900009541. The next prime is 12900009641. The reversal of 12900009589 is 98590000921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12900009589 - 2⁹ = 12900009077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900409589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80517 + ... + 179674.

It is an arithmetic number, because the mean of its divisors is an integer number (1651438624).

Almost surely, 2^12900009589 is an apocalyptic number.

It is an amenable number.

12900009589 is a deficient number, since it is larger than the sum of its proper divisors (311499403).

12900009589 is a wasteful number, since it uses less digits than its factorization.

12900009589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261387.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 12900009589 in words is "twelve billion, nine hundred million, nine thousand, five hundred eighty-nine".