2134807905979 has 16 divisors (see below), whose sum is σ = 2568885222400. Its totient is φ = 1733058923904.

The previous prime is 2134807905961. The next prime is 2134807906013. The reversal of 2134807905979 is 9795097084312.

It is not a de Polignac number, because 2134807905979 - 2²¹ = 2134805808827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134807905979.

It is not an unprimeable number, because it can be changed into a prime (2134807909979) 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 15 ways as a sum of consecutive naturals, for example, 1679139 + ... + 2662540.

It is an arithmetic number, because the mean of its divisors is an integer number (160555326400).

Almost surely, 2^{2134807905979} is an apocalyptic number.

2134807905979 is a deficient number, since it is larger than the sum of its proper divisors (434077316421).

2134807905979 is a wasteful number, since it uses less digits than its factorization.

2134807905979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345402.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The spelling of 2134807905979 in words is "two trillion, one hundred thirty-four billion, eight hundred seven million, nine hundred five thousand, nine hundred seventy-nine".