20237694095173 has 2 divisors, whose sum is σ = 20237694095174. Its totient is φ = 20237694095172.

The previous prime is 20237694095039. The next prime is 20237694095191. The reversal of 20237694095173 is 37159049673202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18962741472129 + 1274952623044 = 4354623^2 + 1129138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20237694095173 is a prime.

It is a super-2 number, since 2×20237694095173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20237694095473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10118847047586 + 10118847047587.

It is an arithmetic number, because the mean of its divisors is an integer number (10118847047587).

Almost surely, 2^{20237694095173} is an apocalyptic number.

It is an amenable number.

20237694095173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20237694095173 is an equidigital number, since it uses as much as digits as its factorization.

20237694095173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 20237694095173 in words is "twenty trillion, two hundred thirty-seven billion, six hundred ninety-four million, ninety-five thousand, one hundred seventy-three".