449853092638 has 4 divisors (see below), whose sum is σ = 674779638960. Its totient is φ = 224926546318.

The previous prime is 449853092597. The next prime is 449853092639. The reversal of 449853092638 is 836290358944.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449853092639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112463273158 + ... + 112463273161.

It is an arithmetic number, because the mean of its divisors is an integer number (168694909740).

Almost surely, 2^449853092638 is an apocalyptic number.

449853092638 is a deficient number, since it is larger than the sum of its proper divisors (224926546322).

449853092638 is a wasteful number, since it uses less digits than its factorization.

449853092638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224926546321.

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 449853092638 in words is "four hundred forty-nine billion, eight hundred fifty-three million, ninety-two thousand, six hundred thirty-eight".