12458924689 has 4 divisors (see below), whose sum is σ = 12459266100. Its totient is φ = 12458583280.

The previous prime is 12458924683. The next prime is 12458924747. The reversal of 12458924689 is 98642985421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1388307600 + 11070617089 = 37260^2 + 105217^2 .

It is a cyclic number.

It is not a de Polignac number, because 12458924689 - 2⁷ = 12458924561 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12458924683) 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, 108382 + ... + 191479.

It is an arithmetic number, because the mean of its divisors is an integer number (3114816525).

Almost surely, 2^12458924689 is an apocalyptic number.

It is an amenable number.

12458924689 is a deficient number, since it is larger than the sum of its proper divisors (341411).

12458924689 is an equidigital number, since it uses as much as digits as its factorization.

12458924689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341410.

The product of its digits is 9953280, while the sum is 58.

The spelling of 12458924689 in words is "twelve billion, four hundred fifty-eight million, nine hundred twenty-four thousand, six hundred eighty-nine".