2543730236 has 12 divisors (see below), whose sum is σ = 4473898800. Its totient is φ = 1265473440.

The previous prime is 2543730223. The next prime is 2543730251. The reversal of 2543730236 is 6320373452.

It is a junction number, because it is equal to n+sod(n) for n = 2543730196 and 2543730205.

It is a congruent number.

It is an unprimeable number.

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, 1597025 + ... + 1598616.

It is an arithmetic number, because the mean of its divisors is an integer number (372824900).

Almost surely, 2^2543730236 is an apocalyptic number.

It is an amenable number.

2543730236 is a deficient number, since it is larger than the sum of its proper divisors (1930168564).

2543730236 is a wasteful number, since it uses less digits than its factorization.

2543730236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195844 (or 3195842 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 35.

The square root of 2543730236 is about 50435.4065711778. The cubic root of 2543730236 is about 1365.0765853079.

The spelling of 2543730236 in words is "two billion, five hundred forty-three million, seven hundred thirty thousand, two hundred thirty-six".