2543356612 has 6 divisors (see below), whose sum is σ = 4450874078. Its totient is φ = 1271678304.

The previous prime is 2543356603. The next prime is 2543356657. The reversal of 2543356612 is 2166533452.

It can be written as a sum of positive squares in only one way, i.e., 1758460356 + 784896256 = 41934^2 + 28016^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317919573 + ... + 317919580.

Almost surely, 2^2543356612 is an apocalyptic number.

It is an amenable number.

2543356612 is a deficient number, since it is larger than the sum of its proper divisors (1907517466).

2543356612 is a wasteful number, since it uses less digits than its factorization.

2543356612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635839157 (or 635839155 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 2543356612 is about 50431.7024499471. The cubic root of 2543356612 is about 1365.0097477243.

The spelling of 2543356612 in words is "two billion, five hundred forty-three million, three hundred fifty-six thousand, six hundred twelve".