2639602043239 has 16 divisors (see below), whose sum is σ = 3043335479296. Its totient is φ = 2242564380000.

The previous prime is 2639602043203. The next prime is 2639602043291. The reversal of 2639602043239 is 9323402069362.

It is not a de Polignac number, because 2639602043239 - 2¹³ = 2639602035047 is a prime.

It is a super-2 number, since 2×2639602043239² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2639602043192 and 2639602043201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639602043339) 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, 478212 + ... + 2346889.

It is an arithmetic number, because the mean of its divisors is an integer number (190208467456).

Almost surely, 2^{2639602043239} is an apocalyptic number.

2639602043239 is a deficient number, since it is larger than the sum of its proper divisors (403733436057).

2639602043239 is a wasteful number, since it uses less digits than its factorization.

2639602043239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826286.

The product of its (nonzero) digits is 2519424, while the sum is 49.

The spelling of 2639602043239 in words is "two trillion, six hundred thirty-nine billion, six hundred two million, forty-three thousand, two hundred thirty-nine".