21826348741603 has 8 divisors (see below), whose sum is σ = 24951020412672. Its totient is φ = 18703332533256.

The previous prime is 21826348741597. The next prime is 21826348741607. The reversal of 21826348741603 is 30614784362812.

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

It is not a de Polignac number, because 21826348741603 - 2³⁷ = 21688909788131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21826348741607) 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, 413837425 + ... + 413890162.

It is an arithmetic number, because the mean of its divisors is an integer number (3118877551584).

Almost surely, 2^{21826348741603} is an apocalyptic number.

21826348741603 is a deficient number, since it is larger than the sum of its proper divisors (3124671671069).

21826348741603 is an equidigital number, since it uses as much as digits as its factorization.

21826348741603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827731361.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 21826348741603 in words is "twenty-one trillion, eight hundred twenty-six billion, three hundred forty-eight million, seven hundred forty-one thousand, six hundred three".