546858843881 has 12 divisors (see below), whose sum is σ = 638438477508. Its totient is φ = 467043952032.

The previous prime is 546858843851. The next prime is 546858843907. The reversal of 546858843881 is 188348858645.

It can be written as a sum of positive squares in 2 ways, for example, as 38690890000 + 508167953881 = 196700^2 + 712859^2 .

It is not a de Polignac number, because 546858843881 - 2¹⁰ = 546858842857 is a prime.

It is a super-2 number, since 2×546858843881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546858843851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20131526 + ... + 20158671.

It is an arithmetic number, because the mean of its divisors is an integer number (53203206459).

Almost surely, 2^546858843881 is an apocalyptic number.

It is an amenable number.

546858843881 is a deficient number, since it is larger than the sum of its proper divisors (91579633627).

546858843881 is a wasteful number, since it uses less digits than its factorization.

546858843881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40290488 (or 40290481 counting only the distinct ones).

The product of its digits is 235929600, while the sum is 68.

The spelling of 546858843881 in words is "five hundred forty-six billion, eight hundred fifty-eight million, eight hundred forty-three thousand, eight hundred eighty-one".