12629735017589 has 4 divisors (see below), whose sum is σ = 13037145824640. Its totient is φ = 12222324210540.

The previous prime is 12629735017577. The next prime is 12629735017619. The reversal of 12629735017589 is 98571053792621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12629735017589 is a prime.

It is a super-2 number, since 2×12629735017589² (a number of 27 digits) contains 22 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 (12629735017489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203705403479 + ... + 203705403540.

It is an arithmetic number, because the mean of its divisors is an integer number (3259286456160).

Almost surely, 2^{12629735017589} is an apocalyptic number.

It is an amenable number.

12629735017589 is a deficient number, since it is larger than the sum of its proper divisors (407410807051).

12629735017589 is an equidigital number, since it uses as much as digits as its factorization.

12629735017589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407410807050.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 12629735017589 in words is "twelve trillion, six hundred twenty-nine billion, seven hundred thirty-five million, seventeen thousand, five hundred eighty-nine".