210590086481 has 2 divisors, whose sum is σ = 210590086482. Its totient is φ = 210590086480.

The previous prime is 210590086471. The next prime is 210590086489. The reversal of 210590086481 is 184680095012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209054700625 + 1535385856 = 457225^2 + 39184^2 .

It is a cyclic number.

It is not a de Polignac number, because 210590086481 - 2³⁰ = 209516344657 is a prime.

It is a super-2 number, since 2×210590086481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210590086489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105295043240 + 105295043241.

It is an arithmetic number, because the mean of its divisors is an integer number (105295043241).

Almost surely, 2^210590086481 is an apocalyptic number.

It is an amenable number.

210590086481 is a deficient number, since it is larger than the sum of its proper divisors (1).

210590086481 is an equidigital number, since it uses as much as digits as its factorization.

210590086481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 210590086481 in words is "two hundred ten billion, five hundred ninety million, eighty-six thousand, four hundred eighty-one".