1563142566049 has 27 divisors (see below), whose sum is σ = 1725192840819. Its totient is φ = 1415991067920.

The previous prime is 1563142566001. The next prime is 1563142566061. The reversal of 1563142566049 is 9406652413651.

The square root of 1563142566049 is 1250257.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 873744476049 + 689398090000 = 934743^2 + 830300^2 .

It is not a de Polignac number, because 1563142566049 - 2¹³ = 1563142557857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1563142565987 and 1563142566005.

It is not an unprimeable number, because it can be changed into a prime (1563142566079) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 546360879 + ... + 546363739.

Almost surely, 2^{1563142566049} is an apocalyptic number.

1563142566049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1563142566049 is the 1250257-th square number.

1563142566049 is the 625129-th centered octagonal number.

It is an amenable number.

1563142566049 is a deficient number, since it is larger than the sum of its proper divisors (162050274770).

1563142566049 is an frugal number, since it uses more digits than its factorization.

1563142566049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 1563142566049 in words is "one trillion, five hundred sixty-three billion, one hundred forty-two million, five hundred sixty-six thousand, forty-nine".