2143124993 has 2 divisors, whose sum is σ = 2143124994. Its totient is φ = 2143124992.

The previous prime is 2143124987. The next prime is 2143124999. The reversal of 2143124993 is 3994213412.

It is a balanced prime because it is at equal distance from previous prime (2143124987) and next prime (2143124999).

It can be written as a sum of positive squares in only one way, i.e., 1079582449 + 1063542544 = 32857^2 + 32612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143124993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2143124999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071562496 + 1071562497.

It is an arithmetic number, because the mean of its divisors is an integer number (1071562497).

Almost surely, 2^2143124993 is an apocalyptic number.

It is an amenable number.

2143124993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143124993 is an equidigital number, since it uses as much as digits as its factorization.

2143124993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 2143124993 is about 46293.8980104290. The cubic root of 2143124993 is about 1289.2857037470.

The spelling of 2143124993 in words is "two billion, one hundred forty-three million, one hundred twenty-four thousand, nine hundred ninety-three".