2189764607926 has 16 divisors (see below), whose sum is σ = 3753946020096. Its totient is φ = 938454587496.

The previous prime is 2189764607879. The next prime is 2189764607951. The reversal of 2189764607926 is 6297064679812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457476 + ... + 2142151.

It is an arithmetic number, because the mean of its divisors is an integer number (234621626256).

Almost surely, 2^{2189764607926} is an apocalyptic number.

2189764607926 is a deficient number, since it is larger than the sum of its proper divisors (1564181412170).

2189764607926 is a wasteful number, since it uses less digits than its factorization.

2189764607926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659803.

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 2189764607926 in words is "two trillion, one hundred eighty-nine billion, seven hundred sixty-four million, six hundred seven thousand, nine hundred twenty-six".