2002232031649 has 2 divisors, whose sum is σ = 2002232031650. Its totient is φ = 2002232031648.

The previous prime is 2002232031647. The next prime is 2002232031659. The reversal of 2002232031649 is 9461302322002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1625166032400 + 377065999249 = 1274820^2 + 614057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002232031649 - 2¹ = 2002232031647 is a prime.

It is a super-2 number, since 2×2002232031649² (a number of 25 digits) contains 22 as substring.

Together with 2002232031647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2002232031647) 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, 1001116015824 + 1001116015825.

It is an arithmetic number, because the mean of its divisors is an integer number (1001116015825).

Almost surely, 2^{2002232031649} is an apocalyptic number.

It is an amenable number.

2002232031649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002232031649 is an equidigital number, since it uses as much as digits as its factorization.

2002232031649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 2002232031649 in words is "two trillion, two billion, two hundred thirty-two million, thirty-one thousand, six hundred forty-nine".