2188719035149 has 2 divisors, whose sum is σ = 2188719035150. Its totient is φ = 2188719035148.

The previous prime is 2188719035057. The next prime is 2188719035183. The reversal of 2188719035149 is 9415309178812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2184019932649 + 4699102500 = 1477843^2 + 68550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2188719035149 - 2¹⁷ = 2188718904077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2188719035093 and 2188719035102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2188719035449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094359517574 + 1094359517575.

It is an arithmetic number, because the mean of its divisors is an integer number (1094359517575).

Almost surely, 2^{2188719035149} is an apocalyptic number.

It is an amenable number.

2188719035149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188719035149 is an equidigital number, since it uses as much as digits as its factorization.

2188719035149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 2188719035149 in words is "two trillion, one hundred eighty-eight billion, seven hundred nineteen million, thirty-five thousand, one hundred forty-nine".