2175042546 has 12 divisors (see below), whose sum is σ = 4712592222. Its totient is φ = 725014176.

The previous prime is 2175042539. The next prime is 2175042559. The reversal of 2175042546 is 6452405712.

It is a happy number.

2175042546 is a `hidden beast` number, since 2 + 1 + 75 + 0 + 42 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2028511521 + 146531025 = 45039^2 + 12105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2175042546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60417831 + ... + 60417866.

Almost surely, 2^2175042546 is an apocalyptic number.

2175042546 is an abundant number, since it is smaller than the sum of its proper divisors (2537549676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2175042546 is a wasteful number, since it uses less digits than its factorization.

2175042546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120835705 (or 120835702 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2175042546 is about 46637.3514042125. The cubic root of 2175042546 is about 1295.6546326235.

The spelling of 2175042546 in words is "two billion, one hundred seventy-five million, forty-two thousand, five hundred forty-six".