10821670426 has 8 divisors (see below), whose sum is σ = 18551435040. Its totient is φ = 4637858748.

The previous prime is 10821670417. The next prime is 10821670427. The reversal of 10821670426 is 62407612801.

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

It is not an unprimeable number, because it can be changed into a prime (10821670427) 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 3 ways as a sum of consecutive naturals, for example, 386488216 + ... + 386488243.

It is an arithmetic number, because the mean of its divisors is an integer number (2318929380).

Almost surely, 2^10821670426 is an apocalyptic number.

10821670426 is a deficient number, since it is larger than the sum of its proper divisors (7729764614).

10821670426 is an equidigital number, since it uses as much as digits as its factorization.

10821670426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772976468.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 10821670426 in words is "ten billion, eight hundred twenty-one million, six hundred seventy thousand, four hundred twenty-six".