2142969748 has 12 divisors (see below), whose sum is σ = 3970797012. Its totient is φ = 1008456320.

The previous prime is 2142969733. The next prime is 2142969797. The reversal of 2142969748 is 8479692412.

It can be written as a sum of positive squares in 2 ways, for example, as 1958770564 + 184199184 = 44258^2 + 13572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142969695 and 2142969704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15757063 + ... + 15757198.

It is an arithmetic number, because the mean of its divisors is an integer number (330899751).

Almost surely, 2^2142969748 is an apocalyptic number.

It is an amenable number.

2142969748 is a deficient number, since it is larger than the sum of its proper divisors (1827827264).

2142969748 is a wasteful number, since it uses less digits than its factorization.

2142969748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31514282 (or 31514280 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 2142969748 is about 46292.2212472031. The cubic root of 2142969748 is about 1289.2545716397.

The spelling of 2142969748 in words is "two billion, one hundred forty-two million, nine hundred sixty-nine thousand, seven hundred forty-eight".