2143213601 has 2 divisors, whose sum is σ = 2143213602. Its totient is φ = 2143213600.

The previous prime is 2143213571. The next prime is 2143213607. The reversal of 2143213601 is 1063123412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2138970001 + 4243600 = 46249^2 + 2060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143213601 is a prime.

It is a super-2 number, since 2×2143213601² = 9186729079022774402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2143213607) 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, 1071606800 + 1071606801.

It is an arithmetic number, because the mean of its divisors is an integer number (1071606801).

Almost surely, 2^2143213601 is an apocalyptic number.

It is an amenable number.

2143213601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143213601 is an equidigital number, since it uses as much as digits as its factorization.

2143213601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2143213601 is about 46294.8550165134. The cubic root of 2143213601 is about 1289.3034721077.

The spelling of 2143213601 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, six hundred one".