2143000973 has 2 divisors, whose sum is σ = 2143000974. Its totient is φ = 2143000972.

The previous prime is 2143000961. The next prime is 2143001017. The reversal of 2143000973 is 3790003412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095625284 + 47375689 = 45778^2 + 6883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143000973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143000273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071500486 + 1071500487.

It is an arithmetic number, because the mean of its divisors is an integer number (1071500487).

Almost surely, 2^2143000973 is an apocalyptic number.

It is an amenable number.

2143000973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143000973 is an equidigital number, since it uses as much as digits as its factorization.

2143000973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2143000973 is about 46292.5585056605. The cubic root of 2143000973 is about 1289.2608334762.

The spelling of 2143000973 in words is "two billion, one hundred forty-three million, nine hundred seventy-three", and thus it is an aban number.