2135818784 has 48 divisors (see below), whose sum is σ = 4711162176. Its totient is φ = 944582400.

The previous prime is 2135818777. The next prime is 2135818787. The reversal of 2135818784 is 4878185312.

It is not an unprimeable number, because it can be changed into a prime (2135818787) 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, 68972 + ... + 95019.

It is an arithmetic number, because the mean of its divisors is an integer number (98149212).

Almost surely, 2^2135818784 is an apocalyptic number.

It is an amenable number.

2135818784 is an abundant number, since it is smaller than the sum of its proper divisors (2575343392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135818784 is a wasteful number, since it uses less digits than its factorization.

2135818784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164049 (or 164041 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The square root of 2135818784 is about 46214.9194957646. The cubic root of 2135818784 is about 1287.8189179990.

The spelling of 2135818784 in words is "two billion, one hundred thirty-five million, eight hundred eighteen thousand, seven hundred eighty-four".