497086000181 has 2 divisors, whose sum is σ = 497086000182. Its totient is φ = 497086000180.

The previous prime is 497086000163. The next prime is 497086000217. The reversal of 497086000181 is 181000680794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256952679025 + 240133321156 = 506905^2 + 490034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497086000181 is a prime.

It is a super-2 number, since 2×497086000181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497086000381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248543000090 + 248543000091.

It is an arithmetic number, because the mean of its divisors is an integer number (248543000091).

Almost surely, 2^497086000181 is an apocalyptic number.

It is an amenable number.

497086000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

497086000181 is an equidigital number, since it uses as much as digits as its factorization.

497086000181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 497086000181 in words is "four hundred ninety-seven billion, eighty-six million, one hundred eighty-one", and thus it is an aban number.