449666890383 has 32 divisors (see below), whose sum is σ = 605193265152. Its totient is φ = 296975168000.

The previous prime is 449666890369. The next prime is 449666890399. The reversal of 449666890383 is 383098666944.

It is a cyclic number.

It is not a de Polignac number, because 449666890383 - 2⁶ = 449666890319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449666890583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160536583 + ... + 160539383.

It is an arithmetic number, because the mean of its divisors is an integer number (18912289536).

Almost surely, 2^449666890383 is an apocalyptic number.

449666890383 is a deficient number, since it is larger than the sum of its proper divisors (155526374769).

449666890383 is a wasteful number, since it uses less digits than its factorization.

449666890383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 161243136, while the sum is 66.

The spelling of 449666890383 in words is "four hundred forty-nine billion, six hundred sixty-six million, eight hundred ninety thousand, three hundred eighty-three".