451031664410461 has 2 divisors, whose sum is σ = 451031664410462. Its totient is φ = 451031664410460.

The previous prime is 451031664410443. The next prime is 451031664410489. The reversal of 451031664410461 is 164014466130154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294559335378361 + 156472329032100 = 17162731^2 + 12508890^2 .

It is a cyclic number.

It is not a de Polignac number, because 451031664410461 - 2²³ = 451031656021853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451031664417461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225515832205230 + 225515832205231.

It is an arithmetic number, because the mean of its divisors is an integer number (225515832205231).

Almost surely, 2^{451031664410461} is an apocalyptic number.

It is an amenable number.

451031664410461 is a deficient number, since it is larger than the sum of its proper divisors (1).

451031664410461 is an equidigital number, since it uses as much as digits as its factorization.

451031664410461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 451031664410461 in words is "four hundred fifty-one trillion, thirty-one billion, six hundred sixty-four million, four hundred ten thousand, four hundred sixty-one".