2439048829781 has 8 divisors (see below), whose sum is σ = 2451869537280. Its totient is φ = 2426261729472.

The previous prime is 2439048829699. The next prime is 2439048829799. The reversal of 2439048829781 is 1879288409342.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2439048829781 is a prime.

It is a super-2 number, since 2×2439048829781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439048829381) 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 7 ways as a sum of consecutive naturals, for example, 8256260 + ... + 8546573.

It is an arithmetic number, because the mean of its divisors is an integer number (306483692160).

Almost surely, 2^{2439048829781} is an apocalyptic number.

It is an amenable number.

2439048829781 is a deficient number, since it is larger than the sum of its proper divisors (12820707499).

2439048829781 is a wasteful number, since it uses less digits than its factorization.

2439048829781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16803595.

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 2439048829781 in words is "two trillion, four hundred thirty-nine billion, forty-eight million, eight hundred twenty-nine thousand, seven hundred eighty-one".