12444803497 has 4 divisors (see below), whose sum is σ = 14222632576. Its totient is φ = 10666974420.

The previous prime is 12444803473. The next prime is 12444803531. The reversal of 12444803497 is 79430844421.

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-12444803497 is a prime.

It is a super-3 number, since 3×12444803497³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444803417) 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, 888914529 + ... + 888914542.

It is an arithmetic number, because the mean of its divisors is an integer number (3555658144).

Almost surely, 2^12444803497 is an apocalyptic number.

It is an amenable number.

12444803497 is a deficient number, since it is larger than the sum of its proper divisors (1777829079).

12444803497 is an equidigital number, since it uses as much as digits as its factorization.

12444803497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777829078.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 12444803497 in words is "twelve billion, four hundred forty-four million, eight hundred three thousand, four hundred ninety-seven".