461367150221 has 2 divisors, whose sum is σ = 461367150222. Its totient is φ = 461367150220.

The previous prime is 461367150203. The next prime is 461367150271. The reversal of 461367150221 is 122051763164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394366416196 + 67000734025 = 627986^2 + 258845^2 .

It is a cyclic number.

It is not a de Polignac number, because 461367150221 - 2¹⁰ = 461367149197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461367150271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230683575110 + 230683575111.

It is an arithmetic number, because the mean of its divisors is an integer number (230683575111).

Almost surely, 2^461367150221 is an apocalyptic number.

It is an amenable number.

461367150221 is a deficient number, since it is larger than the sum of its proper divisors (1).

461367150221 is an equidigital number, since it uses as much as digits as its factorization.

461367150221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 461367150221 in words is "four hundred sixty-one billion, three hundred sixty-seven million, one hundred fifty thousand, two hundred twenty-one".