500450051350181 has 2 divisors, whose sum is σ = 500450051350182. Its totient is φ = 500450051350180.

The previous prime is 500450051350141. The next prime is 500450051350213. The reversal of 500450051350181 is 181053150054005.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317059547619556 + 183390503730625 = 17806166^2 + 13542175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500450051350181 is a prime.

It is a super-2 number, since 2×500450051350181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500450051350141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250225025675090 + 250225025675091.

It is an arithmetic number, because the mean of its divisors is an integer number (250225025675091).

Almost surely, 2^{500450051350181} is an apocalyptic number.

It is an amenable number.

500450051350181 is a deficient number, since it is larger than the sum of its proper divisors (1).

500450051350181 is an equidigital number, since it uses as much as digits as its factorization.

500450051350181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60000, while the sum is 38.

The spelling of 500450051350181 in words is "five hundred trillion, four hundred fifty billion, fifty-one million, three hundred fifty thousand, one hundred eighty-one".