4454443653 has 32 divisors (see below), whose sum is σ = 6748157952. Its totient is φ = 2589652800.

The previous prime is 4454443613. The next prime is 4454443691. The reversal of 4454443653 is 3563444544.

It is not a de Polignac number, because 4454443653 - 2⁶ = 4454443589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454443613) 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, 61000 + ... + 112382.

It is an arithmetic number, because the mean of its divisors is an integer number (210879936).

Almost surely, 2^4454443653 is an apocalyptic number.

It is an amenable number.

4454443653 is a deficient number, since it is larger than the sum of its proper divisors (2293714299).

4454443653 is a wasteful number, since it uses less digits than its factorization.

4454443653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51505.

The product of its digits is 1382400, while the sum is 42.

The square root of 4454443653 is about 66741.6185973939. The cubic root of 4454443653 is about 1645.3734678015.

The spelling of 4454443653 in words is "four billion, four hundred fifty-four million, four hundred forty-three thousand, six hundred fifty-three".