2141618669 has 2 divisors, whose sum is σ = 2141618670. Its totient is φ = 2141618668.

The previous prime is 2141618629. The next prime is 2141618681. The reversal of 2141618669 is 9668161412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2124288100 + 17330569 = 46090^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141618669 - 2¹⁶ = 2141553133 is a prime.

It is a super-2 number, since 2×2141618669² = 9173061046818663122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141618629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070809334 + 1070809335.

It is an arithmetic number, because the mean of its divisors is an integer number (1070809335).

Almost surely, 2^2141618669 is an apocalyptic number.

It is an amenable number.

2141618669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141618669 is an equidigital number, since it uses as much as digits as its factorization.

2141618669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 2141618669 is about 46277.6260086880. The cubic root of 2141618669 is about 1288.9835690623.

The spelling of 2141618669 in words is "two billion, one hundred forty-one million, six hundred eighteen thousand, six hundred sixty-nine".