2190756075889 has 2 divisors, whose sum is σ = 2190756075890. Its totient is φ = 2190756075888.

The previous prime is 2190756075883. The next prime is 2190756075929. The reversal of 2190756075889 is 9885706570912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1942943271025 + 247812804864 = 1393895^2 + 497808^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190756075889 - 2¹¹ = 2190756073841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190756075883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095378037944 + 1095378037945.

It is an arithmetic number, because the mean of its divisors is an integer number (1095378037945).

Almost surely, 2^{2190756075889} is an apocalyptic number.

It is an amenable number.

2190756075889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190756075889 is an equidigital number, since it uses as much as digits as its factorization.

2190756075889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 67.

The spelling of 2190756075889 in words is "two trillion, one hundred ninety billion, seven hundred fifty-six million, seventy-five thousand, eight hundred eighty-nine".