2539269865039 has 4 divisors (see below), whose sum is σ = 2539281985056. Its totient is φ = 2539257745024.

The previous prime is 2539269864997. The next prime is 2539269865141. The reversal of 2539269865039 is 9305689629352.

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

It is a cyclic number.

It is not a de Polignac number, because 2539269865039 - 2¹¹ = 2539269862991 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 (2539269845039) 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, 5740114 + ... + 6166639.

It is an arithmetic number, because the mean of its divisors is an integer number (634820496264).

Almost surely, 2^{2539269865039} is an apocalyptic number.

2539269865039 is a deficient number, since it is larger than the sum of its proper divisors (12120017).

2539269865039 is a wasteful number, since it uses less digits than its factorization.

2539269865039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120016.

The product of its (nonzero) digits is 188956800, while the sum is 67.

The spelling of 2539269865039 in words is "two trillion, five hundred thirty-nine billion, two hundred sixty-nine million, eight hundred sixty-five thousand, thirty-nine".