2170674545 has 8 divisors (see below), whose sum is σ = 2805179496. Its totient is φ = 1602959616.

The previous prime is 2170674511. The next prime is 2170674557. The reversal of 2170674545 is 5454760712.

It can be written as a sum of positive squares in 4 ways, for example, as 118222129 + 2052452416 = 10873^2 + 45304^2 .

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 2170674545 - 2⁶ = 2170674481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16697432 + ... + 16697561.

It is an arithmetic number, because the mean of its divisors is an integer number (350647437).

Almost surely, 2^2170674545 is an apocalyptic number.

It is an amenable number.

2170674545 is a deficient number, since it is larger than the sum of its proper divisors (634504951).

2170674545 is a wasteful number, since it uses less digits than its factorization.

2170674545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33395011.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 2170674545 is about 46590.4984412058. The cubic root of 2170674545 is about 1294.7867241682.

The spelling of 2170674545 in words is "two billion, one hundred seventy million, six hundred seventy-four thousand, five hundred forty-five".