2173012559 has 2 divisors, whose sum is σ = 2173012560. Its totient is φ = 2173012558.

The previous prime is 2173012547. The next prime is 2173012571. The reversal of 2173012559 is 9552103712.

It is a balanced prime because it is at equal distance from previous prime (2173012547) and next prime (2173012571).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173012559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173012529) by changing a digit.

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 as a sum of consecutive naturals, namely, 1086506279 + 1086506280.

It is an arithmetic number, because the mean of its divisors is an integer number (1086506280).

Almost surely, 2^2173012559 is an apocalyptic number.

2173012559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173012559 is an equidigital number, since it uses as much as digits as its factorization.

2173012559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2173012559 is about 46615.5827915945. The cubic root of 2173012559 is about 1295.2514250723.

The spelling of 2173012559 in words is "two billion, one hundred seventy-three million, twelve thousand, five hundred fifty-nine".