2389450179539 has 4 divisors (see below), whose sum is σ = 2394018918456. Its totient is φ = 2384881440624.

The previous prime is 2389450179527. The next prime is 2389450179541. The reversal of 2389450179539 is 9359710549832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2389450179539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389450172539) 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 in 3 ways as a sum of consecutive naturals, for example, 2284368674 + ... + 2284369719.

It is an arithmetic number, because the mean of its divisors is an integer number (598504729614).

Almost surely, 2^{2389450179539} is an apocalyptic number.

2389450179539 is a deficient number, since it is larger than the sum of its proper divisors (4568738917).

2389450179539 is an equidigital number, since it uses as much as digits as its factorization.

2389450179539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568738916.

The product of its (nonzero) digits is 73483200, while the sum is 65.

The spelling of 2389450179539 in words is "two trillion, three hundred eighty-nine billion, four hundred fifty million, one hundred seventy-nine thousand, five hundred thirty-nine".