21356322070596 has 24 divisors (see below), whose sum is σ = 52454124384480. Its totient is φ = 6744101706432.

The previous prime is 21356322070579. The next prime is 21356322070597. The reversal of 21356322070596 is 69507022365312.

It is not an unprimeable number, because it can be changed into a prime (21356322070597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46834039401 + ... + 46834039856.

It is an arithmetic number, because the mean of its divisors is an integer number (2185588516020).

Almost surely, 2^{21356322070596} is an apocalyptic number.

It is an amenable number.

21356322070596 is an abundant number, since it is smaller than the sum of its proper divisors (31097802313884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21356322070596 is a wasteful number, since it uses less digits than its factorization.

21356322070596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93668079283 (or 93668079281 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 21356322070596 in words is "twenty-one trillion, three hundred fifty-six billion, three hundred twenty-two million, seventy thousand, five hundred ninety-six".