2543528816 has 10 divisors (see below), whose sum is σ = 4928087112. Its totient is φ = 1271764400.

The previous prime is 2543528809. The next prime is 2543528833. The reversal of 2543528816 is 6188253452.

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, 79485260 + ... + 79485291.

Almost surely, 2^2543528816 is an apocalyptic number.

It is an amenable number.

2543528816 is a deficient number, since it is larger than the sum of its proper divisors (2384558296).

2543528816 is a wasteful number, since it uses less digits than its factorization.

2543528816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158970559 (or 158970553 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 2543528816 is about 50433.4097201448. The cubic root of 2543528816 is about 1365.0405541047.

The spelling of 2543528816 in words is "two billion, five hundred forty-three million, five hundred twenty-eight thousand, eight hundred sixteen".