2539598273039 has 4 divisors (see below), whose sum is σ = 2564254567056. Its totient is φ = 2514941979024.

The previous prime is 2539598272997. The next prime is 2539598273059. The reversal of 2539598273039 is 9303728959352.

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-2539598273039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539598273059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12328146854 + ... + 12328147059.

It is an arithmetic number, because the mean of its divisors is an integer number (641063641764).

Almost surely, 2^{2539598273039} is an apocalyptic number.

2539598273039 is a deficient number, since it is larger than the sum of its proper divisors (24656294017).

2539598273039 is a wasteful number, since it uses less digits than its factorization.

2539598273039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24656294016.

The product of its (nonzero) digits is 110224800, while the sum is 65.

The spelling of 2539598273039 in words is "two trillion, five hundred thirty-nine billion, five hundred ninety-eight million, two hundred seventy-three thousand, thirty-nine".