10563421771 has 8 divisors (see below), whose sum is σ = 12461917184. Its totient is φ = 8762285160.

The previous prime is 10563421763. The next prime is 10563421777. The reversal of 10563421771 is 17712436501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10563421771 - 2³ = 10563421763 is a prime.

It is a super-2 number, since 2×10563421771² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10563421771.

It is not an unprimeable number, because it can be changed into a prime (10563421777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24339465 + ... + 24339898.

It is an arithmetic number, because the mean of its divisors is an integer number (1557739648).

Almost surely, 2^10563421771 is an apocalyptic number.

10563421771 is a deficient number, since it is larger than the sum of its proper divisors (1898495413).

10563421771 is an equidigital number, since it uses as much as digits as its factorization.

10563421771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48679401.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 10563421771 in words is "ten billion, five hundred sixty-three million, four hundred twenty-one thousand, seven hundred seventy-one".