4448637453 has 16 divisors (see below), whose sum is σ = 6402231360. Its totient is φ = 2731432704.

The previous prime is 4448637443. The next prime is 4448637491. The reversal of 4448637453 is 3547368444.

It is not a de Polignac number, because 4448637453 - 2⁵ = 4448637421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4448637433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111468 + ... + 146021.

It is an arithmetic number, because the mean of its divisors is an integer number (400139460).

Almost surely, 2^4448637453 is an apocalyptic number.

It is an amenable number.

4448637453 is a deficient number, since it is larger than the sum of its proper divisors (1953593907).

4448637453 is a wasteful number, since it uses less digits than its factorization.

4448637453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257948.

The product of its digits is 3870720, while the sum is 48.

The square root of 4448637453 is about 66698.1068172103. The cubic root of 4448637453 is about 1644.6582627913.

The spelling of 4448637453 in words is "four billion, four hundred forty-eight million, six hundred thirty-seven thousand, four hundred fifty-three".