12449073079 has 4 divisors (see below), whose sum is σ = 12450458776. Its totient is φ = 12447687384.

The previous prime is 12449073073. The next prime is 12449073083. The reversal of 12449073079 is 97037094421.

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

It is a cyclic number.

It is not a de Polignac number, because 12449073079 - 2³ = 12449073071 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 (12449073071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679284 + ... + 697369.

It is an arithmetic number, because the mean of its divisors is an integer number (3112614694).

Almost surely, 2^12449073079 is an apocalyptic number.

12449073079 is a deficient number, since it is larger than the sum of its proper divisors (1385697).

12449073079 is an equidigital number, since it uses as much as digits as its factorization.

12449073079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385696.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 12449073079 in words is "twelve billion, four hundred forty-nine million, seventy-three thousand, seventy-nine".