451927307089 has 2 divisors, whose sum is σ = 451927307090. Its totient is φ = 451927307088.

The previous prime is 451927307081. The next prime is 451927307123. The reversal of 451927307089 is 980703729154.

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., 239480060689 + 212447246400 = 489367^2 + 460920^2 .

It is a cyclic number.

It is not a de Polignac number, because 451927307089 - 2³ = 451927307081 is a prime.

It is not a weakly prime, because it can be changed into another prime (451927307081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225963653544 + 225963653545.

It is an arithmetic number, because the mean of its divisors is an integer number (225963653545).

Almost surely, 2^451927307089 is an apocalyptic number.

It is an amenable number.

451927307089 is a deficient number, since it is larger than the sum of its proper divisors (1).

451927307089 is an equidigital number, since it uses as much as digits as its factorization.

451927307089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 451927307089 in words is "four hundred fifty-one billion, nine hundred twenty-seven million, three hundred seven thousand, eighty-nine".