7218854113383 has 48 divisors (see below), whose sum is σ = 11870322347520. Its totient is φ = 4184636385600.

The previous prime is 7218854113381. The next prime is 7218854113409. The reversal of 7218854113383 is 3833114588127.

7218854113383 is a `hidden beast` number, since 7 + 2 + 1 + 8 + 8 + 541 + 13 + 3 + 83 = 666.

It is not a de Polignac number, because 7218854113383 - 2¹ = 7218854113381 is a prime.

It is a super-2 number, since 2×7218854113383² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218854113381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54379053 + ... + 54511641.

It is an arithmetic number, because the mean of its divisors is an integer number (247298382240).

Almost surely, 2^{7218854113383} is an apocalyptic number.

7218854113383 is a deficient number, since it is larger than the sum of its proper divisors (4651468234137).

7218854113383 is a wasteful number, since it uses less digits than its factorization.

7218854113383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156540 (or 156537 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 7218854113383 in words is "seven trillion, two hundred eighteen billion, eight hundred fifty-four million, one hundred thirteen thousand, three hundred eighty-three".