2189275231050 has 36 divisors (see below), whose sum is σ = 5881852788630. Its totient is φ = 583806728160.

The previous prime is 2189275231027. The next prime is 2189275231123. The reversal of 2189275231050 is 501325729812.

2189275231050 is a `hidden beast` number, since 2 + 18 + 9 + 2 + 7 + 523 + 105 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1987533220401 + 201742010649 = 1409799^2 + 449157^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2189275230987 and 2189275231005.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2432527585 + ... + 2432528484.

Almost surely, 2^{2189275231050} is an apocalyptic number.

2189275231050 is an abundant number, since it is smaller than the sum of its proper divisors (3692577557580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2189275231050 is a wasteful number, since it uses less digits than its factorization.

2189275231050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865056087 (or 4865056079 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 2189275231050 in words is "two trillion, one hundred eighty-nine billion, two hundred seventy-five million, two hundred thirty-one thousand, fifty".