2175726473 has 2 divisors, whose sum is σ = 2175726474. Its totient is φ = 2175726472.

The previous prime is 2175726457. The next prime is 2175726493. The reversal of 2175726473 is 3746275712.

2175726473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337218624 + 838507849 = 36568^2 + 28957^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175726473 - 2⁴ = 2175726457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2175726433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087863236 + 1087863237.

It is an arithmetic number, because the mean of its divisors is an integer number (1087863237).

Almost surely, 2^2175726473 is an apocalyptic number.

It is an amenable number.

2175726473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175726473 is an equidigital number, since it uses as much as digits as its factorization.

2175726473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 2175726473 is about 46644.6832232785. The cubic root of 2175726473 is about 1295.7904215877.

The spelling of 2175726473 in words is "two billion, one hundred seventy-five million, seven hundred twenty-six thousand, four hundred seventy-three".