21626225060345 has 8 divisors (see below), whose sum is σ = 25960735162440. Its totient is φ = 17294803321600.

The previous prime is 21626225060221. The next prime is 21626225060413. The reversal of 21626225060345 is 54306052262612.

It can be written as a sum of positive squares in 4 ways, for example, as 8240051561401 + 13386173498944 = 2870549^2 + 3658712^2 .

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

It is not a de Polignac number, because 21626225060345 - 2¹⁸ = 21626224798201 is a prime.

It is a super-2 number, since 2×21626225060345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21626225060296 and 21626225060305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772075430 + ... + 772103439.

It is an arithmetic number, because the mean of its divisors is an integer number (3245091895305).

Almost surely, 2^{21626225060345} is an apocalyptic number.

It is an amenable number.

21626225060345 is a deficient number, since it is larger than the sum of its proper divisors (4334510102095).

21626225060345 is a wasteful number, since it uses less digits than its factorization.

21626225060345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544181675.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 21626225060345 in words is "twenty-one trillion, six hundred twenty-six billion, two hundred twenty-five million, sixty thousand, three hundred forty-five".