2151004189 has 2 divisors, whose sum is σ = 2151004190. Its totient is φ = 2151004188.

The previous prime is 2151004159. The next prime is 2151004253. The reversal of 2151004189 is 9814001512.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1947456900 + 203547289 = 44130^2 + 14267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151004189 - 2¹⁷ = 2150873117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2151004189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151004159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075502094 + 1075502095.

It is an arithmetic number, because the mean of its divisors is an integer number (1075502095).

Almost surely, 2^2151004189 is an apocalyptic number.

It is an amenable number.

2151004189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151004189 is an equidigital number, since it uses as much as digits as its factorization.

2151004189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 2151004189 is about 46378.9196618464. The cubic root of 2151004189 is about 1290.8637904007.

The spelling of 2151004189 in words is "two billion, one hundred fifty-one million, four thousand, one hundred eighty-nine".