451466768293 has 2 divisors, whose sum is σ = 451466768294. Its totient is φ = 451466768292.

The previous prime is 451466768273. The next prime is 451466768297. The reversal of 451466768293 is 392867664154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448634719204 + 2832049089 = 669802^2 + 53217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451466768293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451466768297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225733384146 + 225733384147.

It is an arithmetic number, because the mean of its divisors is an integer number (225733384147).

Almost surely, 2^451466768293 is an apocalyptic number.

It is an amenable number.

451466768293 is a deficient number, since it is larger than the sum of its proper divisors (1).

451466768293 is an equidigital number, since it uses as much as digits as its factorization.

451466768293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 61.

The spelling of 451466768293 in words is "four hundred fifty-one billion, four hundred sixty-six million, seven hundred sixty-eight thousand, two hundred ninety-three".