2144001569 has 2 divisors, whose sum is σ = 2144001570. Its totient is φ = 2144001568.

The previous prime is 2144001539. The next prime is 2144001583. The reversal of 2144001569 is 9651004412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2091873169 + 52128400 = 45737^2 + 7220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144001569 - 2¹⁶ = 2143936033 is a prime.

It is a super-2 number, since 2×2144001569² = 9193485455748923522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2144001539) 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, 1072000784 + 1072000785.

It is an arithmetic number, because the mean of its divisors is an integer number (1072000785).

Almost surely, 2^2144001569 is an apocalyptic number.

It is an amenable number.

2144001569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144001569 is an equidigital number, since it uses as much as digits as its factorization.

2144001569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2144001569 is about 46303.3645537773. The cubic root of 2144001569 is about 1289.4614600000.

The spelling of 2144001569 in words is "two billion, one hundred forty-four million, one thousand, five hundred sixty-nine".