449869268671 has 8 divisors (see below), whose sum is σ = 462045601184. Its totient is φ = 437693868000.

The previous prime is 449869268663. The next prime is 449869268707. The reversal of 449869268671 is 176862968944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449869268671 - 2³ = 449869268663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449869268671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449869268971) 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, 807721 + ... + 1245853.

It is an arithmetic number, because the mean of its divisors is an integer number (57755700148).

Almost surely, 2^449869268671 is an apocalyptic number.

449869268671 is a deficient number, since it is larger than the sum of its proper divisors (12176332513).

449869268671 is a wasteful number, since it uses less digits than its factorization.

449869268671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465921.

The product of its digits is 250822656, while the sum is 70.

The spelling of 449869268671 in words is "four hundred forty-nine billion, eight hundred sixty-nine million, two hundred sixty-eight thousand, six hundred seventy-one".