4950139686809 has 16 divisors (see below), whose sum is σ = 5044593375360. Its totient is φ = 4856409600000.

The previous prime is 4950139686787. The next prime is 4950139686841. The reversal of 4950139686809 is 9086869310594.

4950139686809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4950139686809 - 2⁸ = 4950139686553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4950139689809) 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, 18920729 + ... + 19180569.

It is an arithmetic number, because the mean of its divisors is an integer number (315287085960).

Almost surely, 2^{4950139686809} is an apocalyptic number.

It is an amenable number.

4950139686809 is a deficient number, since it is larger than the sum of its proper divisors (94453688551).

4950139686809 is a wasteful number, since it uses less digits than its factorization.

4950139686809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261232.

The product of its (nonzero) digits is 100776960, while the sum is 68.

The spelling of 4950139686809 in words is "four trillion, nine hundred fifty billion, one hundred thirty-nine million, six hundred eighty-six thousand, eight hundred nine".