2148886281 has 8 divisors (see below), whose sum is σ = 2866129984. Its totient is φ = 1432116720.

The previous prime is 2148886261. The next prime is 2148886349. The reversal of 2148886281 is 1826888412.

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

It is not a de Polignac number, because 2148886281 - 2⁷ = 2148886153 is a prime.

It is a super-2 number, since 2×2148886281² = 9235424497340021922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148886281.

It is not an unprimeable number, because it can be changed into a prime (2148886261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107821 + ... + 126186.

It is an arithmetic number, because the mean of its divisors is an integer number (358266248).

Almost surely, 2^2148886281 is an apocalyptic number.

It is an amenable number.

2148886281 is a deficient number, since it is larger than the sum of its proper divisors (717243703).

2148886281 is a wasteful number, since it uses less digits than its factorization.

2148886281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237071.

The product of its digits is 393216, while the sum is 48.

The square root of 2148886281 is about 46356.0813809796. The cubic root of 2148886281 is about 1290.4399839228.

The spelling of 2148886281 in words is "two billion, one hundred forty-eight million, eight hundred eighty-six thousand, two hundred eighty-one".