21352333226365 has 16 divisors (see below), whose sum is σ = 25917500048256. Its totient is φ = 16885935864000.

The previous prime is 21352333226339. The next prime is 21352333226449. The reversal of 21352333226365 is 56362233325312.

It is not a de Polignac number, because 21352333226365 - 2⁴¹ = 19153309970813 is a prime.

It is a super-2 number, since 2×21352333226365² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33185187 + ... + 33822496.

It is an arithmetic number, because the mean of its divisors is an integer number (1619843753016).

Almost surely, 2^{21352333226365} is an apocalyptic number.

It is an amenable number.

21352333226365 is a deficient number, since it is larger than the sum of its proper divisors (4565166821891).

21352333226365 is a wasteful number, since it uses less digits than its factorization.

21352333226365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67008420.

The product of its digits is 3499200, while the sum is 46.

The spelling of 21352333226365 in words is "twenty-one trillion, three hundred fifty-two billion, three hundred thirty-three million, two hundred twenty-six thousand, three hundred sixty-five".