1452409012009 has 16 divisors (see below), whose sum is σ = 1494462859344. Its totient is φ = 1410672844800.

The previous prime is 1452409011971. The next prime is 1452409012139. The reversal of 1452409012009 is 9002109042541.

It can be written as a sum of positive squares in 8 ways, for example, as 378874718784 + 1073534293225 = 615528^2 + 1036115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452409012009 - 2⁷ = 1452409011881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452409012909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106155649 + ... + 106169329.

It is an arithmetic number, because the mean of its divisors is an integer number (93403928709).

Almost surely, 2^{1452409012009} is an apocalyptic number.

It is an amenable number.

1452409012009 is a deficient number, since it is larger than the sum of its proper divisors (42053847335).

1452409012009 is a wasteful number, since it uses less digits than its factorization.

1452409012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25068.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 1452409012009 in words is "one trillion, four hundred fifty-two billion, four hundred nine million, twelve thousand, nine".