451045401354281 has 2 divisors, whose sum is σ = 451045401354282. Its totient is φ = 451045401354280.

The previous prime is 451045401354263. The next prime is 451045401354329. The reversal of 451045401354281 is 182453104540154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394477553608681 + 56567847745600 = 19861459^2 + 7521160^2 .

It is a cyclic number.

It is not a de Polignac number, because 451045401354281 - 2⁴² = 446647354843177 is a prime.

It is a super-2 number, since 2×451045401354281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451045401350281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225522700677140 + 225522700677141.

It is an arithmetic number, because the mean of its divisors is an integer number (225522700677141).

Almost surely, 2^{451045401354281} is an apocalyptic number.

It is an amenable number.

451045401354281 is a deficient number, since it is larger than the sum of its proper divisors (1).

451045401354281 is an equidigital number, since it uses as much as digits as its factorization.

451045401354281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536000, while the sum is 47.

The spelling of 451045401354281 in words is "four hundred fifty-one trillion, forty-five billion, four hundred one million, three hundred fifty-four thousand, two hundred eighty-one".