2142949472 has 12 divisors (see below), whose sum is σ = 4218931836. Its totient is φ = 1071474720.

The previous prime is 2142949453. The next prime is 2142949499. The reversal of 2142949472 is 2749492412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33483554 + ... + 33483617.

It is an arithmetic number, because the mean of its divisors is an integer number (351577653).

Almost surely, 2^2142949472 is an apocalyptic number.

It is an amenable number.

2142949472 is a deficient number, since it is larger than the sum of its proper divisors (2075982364).

2142949472 is an equidigital number, since it uses as much as digits as its factorization.

2142949472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66967181 (or 66967173 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 2142949472 is about 46292.0022466084. The cubic root of 2142949472 is about 1289.2505054743.

The spelling of 2142949472 in words is "two billion, one hundred forty-two million, nine hundred forty-nine thousand, four hundred seventy-two".