543444661441 has 8 divisors (see below), whose sum is σ = 600969937824. Its totient is φ = 487272921120.

The previous prime is 543444661439. The next prime is 543444661483. The reversal of 543444661441 is 144166444345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543444661441 - 2¹ = 543444661439 is a prime.

It is a super-2 number, since 2×543444661441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543444661391 and 543444661400.

It is not an unprimeable number, because it can be changed into a prime (543444661141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338383171 + ... + 338384776.

It is an arithmetic number, because the mean of its divisors is an integer number (75121242228).

Almost surely, 2^543444661441 is an apocalyptic number.

It is an amenable number.

543444661441 is a deficient number, since it is larger than the sum of its proper divisors (57525276383).

543444661441 is a wasteful number, since it uses less digits than its factorization.

543444661441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676768031.

The product of its digits is 2211840, while the sum is 46.

The spelling of 543444661441 in words is "five hundred forty-three billion, four hundred forty-four million, six hundred sixty-one thousand, four hundred forty-one".