12745598639 has 8 divisors (see below), whose sum is σ = 13418369280. Its totient is φ = 12073023000.

The previous prime is 12745598623. The next prime is 12745598647. The reversal of 12745598639 is 93689554721.

It is a happy number.

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 12745598639 - 2⁴ = 12745598623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745598669) 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, 96554 + ... + 186584.

It is an arithmetic number, because the mean of its divisors is an integer number (1677296160).

Almost surely, 2^12745598639 is an apocalyptic number.

12745598639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12745598639 is a deficient number, since it is larger than the sum of its proper divisors (672770641).

12745598639 is an equidigital number, since it uses as much as digits as its factorization.

12745598639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97501.

The product of its digits is 16329600, while the sum is 59.

The spelling of 12745598639 in words is "twelve billion, seven hundred forty-five million, five hundred ninety-eight thousand, six hundred thirty-nine".