2146981036 has 12 divisors (see below), whose sum is σ = 3769300080. Its totient is φ = 1070038160.

The previous prime is 2146981033. The next prime is 2146981037. The reversal of 2146981036 is 6301896412.

It is a self number, because there is not a number n which added to its sum of digits gives 2146981036.

It is not an unprimeable number, because it can be changed into a prime (2146981033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861691 + ... + 864178.

It is an arithmetic number, because the mean of its divisors is an integer number (314108340).

Almost surely, 2^2146981036 is an apocalyptic number.

It is an amenable number.

2146981036 is a deficient number, since it is larger than the sum of its proper divisors (1622319044).

2146981036 is a wasteful number, since it uses less digits than its factorization.

2146981036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726184 (or 1726182 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2146981036 is about 46335.5267154696. The cubic root of 2146981036 is about 1290.0584946334.

The spelling of 2146981036 in words is "two billion, one hundred forty-six million, nine hundred eighty-one thousand, thirty-six".