2148504443 has 4 divisors (see below), whose sum is σ = 2151987240. Its totient is φ = 2145021648.

The previous prime is 2148504437. The next prime is 2148504481. The reversal of 2148504443 is 3444058412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2148504443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148507443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740473 + ... + 1741706.

It is an arithmetic number, because the mean of its divisors is an integer number (537996810).

Almost surely, 2^2148504443 is an apocalyptic number.

2148504443 is a deficient number, since it is larger than the sum of its proper divisors (3482797).

2148504443 is an equidigital number, since it uses as much as digits as its factorization.

2148504443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482796.

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 2148504443 is about 46351.9626661051. The cubic root of 2148504443 is about 1290.3635461551.

The spelling of 2148504443 in words is "two billion, one hundred forty-eight million, five hundred four thousand, four hundred forty-three".