1563052445653 has 4 divisors (see below), whose sum is σ = 1654996707180. Its totient is φ = 1471108184128.

The previous prime is 1563052445627. The next prime is 1563052445657. The reversal of 1563052445653 is 3565442503651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1250679882244 + 312372563409 = 1118338^2 + 558903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1563052445653 - 2²¹ = 1563050348501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1563052445597 and 1563052445606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1563052445657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45972130738 + ... + 45972130771.

It is an arithmetic number, because the mean of its divisors is an integer number (413749176795).

Almost surely, 2^{1563052445653} is an apocalyptic number.

It is an amenable number.

1563052445653 is a deficient number, since it is larger than the sum of its proper divisors (91944261527).

1563052445653 is an equidigital number, since it uses as much as digits as its factorization.

1563052445653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91944261526.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 1563052445653 in words is "one trillion, five hundred sixty-three billion, fifty-two million, four hundred forty-five thousand, six hundred fifty-three".