451090409369 has 2 divisors, whose sum is σ = 451090409370. Its totient is φ = 451090409368.

The previous prime is 451090409333. The next prime is 451090409417. The reversal of 451090409369 is 963904090154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305786880400 + 145303528969 = 552980^2 + 381187^2 .

It is a cyclic number.

It is not a de Polignac number, because 451090409369 - 2²⁴ = 451073632153 is a prime.

It is a super-2 number, since 2×451090409369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451090409069) 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, 225545204684 + 225545204685.

It is an arithmetic number, because the mean of its divisors is an integer number (225545204685).

Almost surely, 2^451090409369 is an apocalyptic number.

It is an amenable number.

451090409369 is a deficient number, since it is larger than the sum of its proper divisors (1).

451090409369 is an equidigital number, since it uses as much as digits as its factorization.

451090409369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 451090409369 in words is "four hundred fifty-one billion, ninety million, four hundred nine thousand, three hundred sixty-nine".