2002210947973 has 2 divisors, whose sum is σ = 2002210947974. Its totient is φ = 2002210947972.

The previous prime is 2002210947967. The next prime is 2002210948037. The reversal of 2002210947973 is 3797490122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1939799916289 + 62411031684 = 1392767^2 + 249822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002210947973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002210942973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001105473986 + 1001105473987.

It is an arithmetic number, because the mean of its divisors is an integer number (1001105473987).

Almost surely, 2^{2002210947973} is an apocalyptic number.

It is an amenable number.

2002210947973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002210947973 is an equidigital number, since it uses as much as digits as its factorization.

2002210947973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 2002210947973 in words is "two trillion, two billion, two hundred ten million, nine hundred forty-seven thousand, nine hundred seventy-three".