18344262033321 has 16 divisors (see below), whose sum is σ = 28124652985344. Its totient is φ = 10418126025744.

The previous prime is 18344262033319. The next prime is 18344262033347. The reversal of 18344262033321 is 12333026244381.

It is not a de Polignac number, because 18344262033321 - 2¹ = 18344262033319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18344262033371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679555741 + ... + 2679562586.

It is an arithmetic number, because the mean of its divisors is an integer number (1757790811584).

Almost surely, 2^{18344262033321} is an apocalyptic number.

It is an amenable number.

18344262033321 is a deficient number, since it is larger than the sum of its proper divisors (9780390952023).

18344262033321 is a wasteful number, since it uses less digits than its factorization.

18344262033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359118500.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 18344262033321 in words is "eighteen trillion, three hundred forty-four billion, two hundred sixty-two million, thirty-three thousand, three hundred twenty-one".