2002656121303 has 2 divisors, whose sum is σ = 2002656121304. Its totient is φ = 2002656121302.

The previous prime is 2002656121243. The next prime is 2002656121327. The reversal of 2002656121303 is 3031216562002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002656121303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002656421303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001328060651 + 1001328060652.

It is an arithmetic number, because the mean of its divisors is an integer number (1001328060652).

Almost surely, 2^{2002656121303} is an apocalyptic number.

2002656121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002656121303 is an equidigital number, since it uses as much as digits as its factorization.

2002656121303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 2002656121303 in words is "two trillion, two billion, six hundred fifty-six million, one hundred twenty-one thousand, three hundred three".