1452231825409 has 2 divisors, whose sum is σ = 1452231825410. Its totient is φ = 1452231825408.

The previous prime is 1452231825403. The next prime is 1452231825461. The reversal of 1452231825409 is 9045281322541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350743706225 + 101488119184 = 1162215^2 + 318572^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452231825409 - 2¹³ = 1452231817217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1452231825403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726115912704 + 726115912705.

It is an arithmetic number, because the mean of its divisors is an integer number (726115912705).

Almost surely, 2^{1452231825409} is an apocalyptic number.

It is an amenable number.

1452231825409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452231825409 is an equidigital number, since it uses as much as digits as its factorization.

1452231825409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 1452231825409 in words is "one trillion, four hundred fifty-two billion, two hundred thirty-one million, eight hundred twenty-five thousand, four hundred nine".