2175873473 has 2 divisors, whose sum is σ = 2175873474. Its totient is φ = 2175873472.

The previous prime is 2175873461. The next prime is 2175873523. The reversal of 2175873473 is 3743785712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1810757809 + 365115664 = 42553^2 + 19108^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175873473 - 2⁶ = 2175873409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2175873443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087936736 + 1087936737.

It is an arithmetic number, because the mean of its divisors is an integer number (1087936737).

Almost surely, 2^2175873473 is an apocalyptic number.

It is an amenable number.

2175873473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175873473 is an equidigital number, since it uses as much as digits as its factorization.

2175873473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 47.

The square root of 2175873473 is about 46646.2589389546. The cubic root of 2175873473 is about 1295.8196037029.

The spelling of 2175873473 in words is "two billion, one hundred seventy-five million, eight hundred seventy-three thousand, four hundred seventy-three".