2148244679 has 8 divisors (see below), whose sum is σ = 2521492128. Its totient is φ = 1791586080.

The previous prime is 2148244669. The next prime is 2148244723. The reversal of 2148244679 is 9764428412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148244679 - 2⁴ = 2148244663 is a prime.

It is a super-2 number, since 2×2148244679² = 9229910401703626082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148244619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146932 + ... + 4147449.

It is an arithmetic number, because the mean of its divisors is an integer number (315186516).

Almost surely, 2^2148244679 is an apocalyptic number.

2148244679 is a deficient number, since it is larger than the sum of its proper divisors (373247449).

2148244679 is an equidigital number, since it uses as much as digits as its factorization.

2148244679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294425.

The product of its digits is 774144, while the sum is 47.

The square root of 2148244679 is about 46349.1604994093. The cubic root of 2148244679 is about 1290.3115404438.

The spelling of 2148244679 in words is "two billion, one hundred forty-eight million, two hundred forty-four thousand, six hundred seventy-nine".