2689237778122 has 16 divisors (see below), whose sum is σ = 4610250066240. Its totient is φ = 1152498436128.

The previous prime is 2689237778099. The next prime is 2689237778131. The reversal of 2689237778122 is 2218777329862.

It is an unprimeable number.

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, 2144872 + ... + 3158947.

It is an arithmetic number, because the mean of its divisors is an integer number (288140629140).

Almost surely, 2^{2689237778122} is an apocalyptic number.

2689237778122 is a deficient number, since it is larger than the sum of its proper divisors (1921012288118).

2689237778122 is a wasteful number, since it uses less digits than its factorization.

2689237778122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340045.

The product of its digits is 56899584, while the sum is 64.

The spelling of 2689237778122 in words is "two trillion, six hundred eighty-nine billion, two hundred thirty-seven million, seven hundred seventy-eight thousand, one hundred twenty-two".