448664082437 has 4 divisors (see below), whose sum is σ = 468171216480. Its totient is φ = 429156948396.

The previous prime is 448664082431. The next prime is 448664082443. The reversal of 448664082437 is 734280466844.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (448664082431) and next prime (448664082443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448664082437 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 (448664082431) 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, 9753566987 + ... + 9753567032.

It is an arithmetic number, because the mean of its divisors is an integer number (117042804120).

Almost surely, 2^448664082437 is an apocalyptic number.

It is an amenable number.

448664082437 is a deficient number, since it is larger than the sum of its proper divisors (19507134043).

448664082437 is a wasteful number, since it uses less digits than its factorization.

448664082437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19507134042.

The product of its (nonzero) digits is 24772608, while the sum is 56.

The spelling of 448664082437 in words is "four hundred forty-eight billion, six hundred sixty-four million, eighty-two thousand, four hundred thirty-seven".