2068844355531 has 24 divisors (see below), whose sum is σ = 3007732784784. Its totient is φ = 1370276930880.

The previous prime is 2068844355497. The next prime is 2068844355553. The reversal of 2068844355531 is 1355534488602.

2068844355531 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 84 + 4 + 3 + 5 + 553 + 1 = 666.

It is not a de Polignac number, because 2068844355531 - 2¹⁴ = 2068844339147 is a prime.

It is a super-2 number, since 2×2068844355531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2068844355031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12039640 + ... + 12210266.

It is an arithmetic number, because the mean of its divisors is an integer number (125322199366).

Almost surely, 2^{2068844355531} is an apocalyptic number.

2068844355531 is a deficient number, since it is larger than the sum of its proper divisors (938888429253).

2068844355531 is a wasteful number, since it uses less digits than its factorization.

2068844355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179371 (or 179368 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 2068844355531 in words is "two trillion, sixty-eight billion, eight hundred forty-four million, three hundred fifty-five thousand, five hundred thirty-one".