2189968169104 has 10 divisors (see below), whose sum is σ = 4243063327670. Its totient is φ = 1094984084544.

The previous prime is 2189968169093. The next prime is 2189968169113. The reversal of 2189968169104 is 4019618699812.

It can be written as a sum of positive squares in only one way, i.e., 2007741634704 + 182226534400 = 1416948^2 + 426880^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68436505269 + ... + 68436505300.

It is an arithmetic number, because the mean of its divisors is an integer number (424306332767).

Almost surely, 2^{2189968169104} is an apocalyptic number.

It is an amenable number.

2189968169104 is a deficient number, since it is larger than the sum of its proper divisors (2053095158566).

2189968169104 is a wasteful number, since it uses less digits than its factorization.

2189968169104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136873010577 (or 136873010571 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 2189968169104 in words is "two trillion, one hundred eighty-nine billion, nine hundred sixty-eight million, one hundred sixty-nine thousand, one hundred four".