2170545046543 has 4 divisors (see below), whose sum is σ = 2177479695568. Its totient is φ = 2163610397520.

The previous prime is 2170545046499. The next prime is 2170545046561. The reversal of 2170545046543 is 3456405450712.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2170545046543 - 2²⁵ = 2170511492111 is a prime.

It is a super-3 number, since 3×2170545046543³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2170545046493 and 2170545046502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170545047543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467324043 + ... + 3467324668.

It is an arithmetic number, because the mean of its divisors is an integer number (544369923892).

Almost surely, 2^{2170545046543} is an apocalyptic number.

2170545046543 is a deficient number, since it is larger than the sum of its proper divisors (6934649025).

2170545046543 is an equidigital number, since it uses as much as digits as its factorization.

2170545046543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934649024.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 2170545046543 in words is "two trillion, one hundred seventy billion, five hundred forty-five million, forty-six thousand, five hundred forty-three".