2002142957 has 2 divisors, whose sum is σ = 2002142958. Its totient is φ = 2002142956.

The previous prime is 2002142941. The next prime is 2002142959. The reversal of 2002142957 is 7592412002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1803361156 + 198781801 = 42466^2 + 14099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002142957 - 2⁴ = 2002142941 is a prime.

Together with 2002142959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002142959) 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, 1001071478 + 1001071479.

It is an arithmetic number, because the mean of its divisors is an integer number (1001071479).

Almost surely, 2^2002142957 is an apocalyptic number.

It is an amenable number.

2002142957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002142957 is an equidigital number, since it uses as much as digits as its factorization.

2002142957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2002142957 is about 44745.3121231711. The cubic root of 2002142957 is about 1260.3708820435.

Adding to 2002142957 its reverse (7592412002), we get a palindrome (9594554959).

The spelling of 2002142957 in words is "two billion, two million, one hundred forty-two thousand, nine hundred fifty-seven".