2543653364552 has 8 divisors (see below), whose sum is σ = 4769350058550. Its totient is φ = 1271826682272.

The previous prime is 2543653364533. The next prime is 2543653364563. The reversal of 2543653364552 is 2554633563452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1309985546116 + 1233667818436 = 1144546^2 + 1110706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2543653364494 and 2543653364503.

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, 158978335277 + ... + 158978335292.

Almost surely, 2^{2543653364552} is an apocalyptic number.

It is an amenable number.

2543653364552 is a deficient number, since it is larger than the sum of its proper divisors (2225696693998).

2543653364552 is a wasteful number, since it uses less digits than its factorization.

2543653364552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317956670575 (or 317956670571 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 53.

The spelling of 2543653364552 in words is "two trillion, five hundred forty-three billion, six hundred fifty-three million, three hundred sixty-four thousand, five hundred fifty-two".