2143242007 has 2 divisors, whose sum is σ = 2143242008. Its totient is φ = 2143242006.

The previous prime is 2143241999. The next prime is 2143242107. The reversal of 2143242007 is 7002423412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143242007 - 2³ = 2143241999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143242107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071621003 + 1071621004.

It is an arithmetic number, because the mean of its divisors is an integer number (1071621004).

Almost surely, 2^2143242007 is an apocalyptic number.

2143242007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143242007 is an equidigital number, since it uses as much as digits as its factorization.

2143242007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2143242007 is about 46295.1618098479. The cubic root of 2143242007 is about 1289.3091681946.

Adding to 2143242007 its reverse (7002423412), we get a palindrome (9145665419).

The spelling of 2143242007 in words is "two billion, one hundred forty-three million, two hundred forty-two thousand, seven".