2445448997 has 8 divisors (see below), whose sum is σ = 2600914176. Its totient is φ = 2291274432.

The previous prime is 2445448961. The next prime is 2445449023. The reversal of 2445448997 is 7998445442.

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 2445448997 - 2⁸ = 2445448741 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 (2445448597) 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, 318743 + ... + 326324.

It is an arithmetic number, because the mean of its divisors is an integer number (325114272).

Almost surely, 2^2445448997 is an apocalyptic number.

It is an amenable number.

2445448997 is a deficient number, since it is larger than the sum of its proper divisors (155465179).

2445448997 is a wasteful number, since it uses less digits than its factorization.

2445448997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645307.

The product of its digits is 11612160, while the sum is 56.

The square root of 2445448997 is about 49451.4812417181. The cubic root of 2445448997 is about 1347.2645106018.

The spelling of 2445448997 in words is "two billion, four hundred forty-five million, four hundred forty-eight thousand, nine hundred ninety-seven".