2153784488 has 16 divisors (see below), whose sum is σ = 4047468480. Its totient is φ = 1074459568.

The previous prime is 2153784449. The next prime is 2153784509. The reversal of 2153784488 is 8844873512.

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, 300320 + ... + 307407.

It is an arithmetic number, because the mean of its divisors is an integer number (252966780).

Almost surely, 2^2153784488 is an apocalyptic number.

It is an amenable number.

2153784488 is a deficient number, since it is larger than the sum of its proper divisors (1893683992).

2153784488 is a wasteful number, since it uses less digits than its factorization.

2153784488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608176 (or 608172 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 2153784488 is about 46408.8837185296. The cubic root of 2153784488 is about 1291.4197233161.

The spelling of 2153784488 in words is "two billion, one hundred fifty-three million, seven hundred eighty-four thousand, four hundred eighty-eight".