2145489436009 has 8 divisors (see below), whose sum is σ = 2195404354880. Its totient is φ = 2095575417936.

The previous prime is 2145489436007. The next prime is 2145489436049. The reversal of 2145489436009 is 9006349845412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2145489436009 - 2¹ = 2145489436007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145489436007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8332012 + ... + 8585650.

It is an arithmetic number, because the mean of its divisors is an integer number (274425544360).

Almost surely, 2^{2145489436009} is an apocalyptic number.

It is an amenable number.

2145489436009 is a deficient number, since it is larger than the sum of its proper divisors (49914918871).

2145489436009 is a wasteful number, since it uses less digits than its factorization.

2145489436009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450399.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 2145489436009 in words is "two trillion, one hundred forty-five billion, four hundred eighty-nine million, four hundred thirty-six thousand, nine".