10219823561 has 8 divisors (see below), whose sum is σ = 10574244480. Its totient is φ = 9865536912.

The previous prime is 10219823557. The next prime is 10219823563. The reversal of 10219823561 is 16532891201.

It is a happy number.

10219823561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10219823561 - 2² = 10219823557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10219823563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135866 + ... + 197228.

It is an arithmetic number, because the mean of its divisors is an integer number (1321780560).

Almost surely, 2^10219823561 is an apocalyptic number.

It is an amenable number.

10219823561 is a deficient number, since it is larger than the sum of its proper divisors (354420919).

10219823561 is an equidigital number, since it uses as much as digits as its factorization.

10219823561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67135.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10219823561 in words is "ten billion, two hundred nineteen million, eight hundred twenty-three thousand, five hundred sixty-one".