2563643744472 has 16 divisors (see below), whose sum is σ = 6409109361240. Its totient is φ = 854547914816.

The previous prime is 2563643744443. The next prime is 2563643744503. The reversal of 2563643744472 is 2744473463652.

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 in 3 ways as a sum of consecutive naturals, for example, 53409244653 + ... + 53409244700.

Almost surely, 2^{2563643744472} is an apocalyptic number.

It is an amenable number.

2563643744472 is an abundant number, since it is smaller than the sum of its proper divisors (3845465616768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563643744472 is a wasteful number, since it uses less digits than its factorization.

2563643744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106818489362 (or 106818489358 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 57.

The spelling of 2563643744472 in words is "two trillion, five hundred sixty-three billion, six hundred forty-three million, seven hundred forty-four thousand, four hundred seventy-two".