12458849797 has 4 divisors (see below), whose sum is σ = 12533453856. Its totient is φ = 12384245740.

The previous prime is 12458849759. The next prime is 12458849833. The reversal of 12458849797 is 79794885421.

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-12458849797 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 (12458849707) 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, 37301779 + ... + 37302112.

It is an arithmetic number, because the mean of its divisors is an integer number (3133363464).

Almost surely, 2^12458849797 is an apocalyptic number.

It is an amenable number.

12458849797 is a deficient number, since it is larger than the sum of its proper divisors (74604059).

12458849797 is an equidigital number, since it uses as much as digits as its factorization.

12458849797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74604058.

The product of its digits is 40642560, while the sum is 64.

The spelling of 12458849797 in words is "twelve billion, four hundred fifty-eight million, eight hundred forty-nine thousand, seven hundred ninety-seven".