2002001919037 has 2 divisors, whose sum is σ = 2002001919038. Its totient is φ = 2002001919036.

The previous prime is 2002001918963. The next prime is 2002001919161. The reversal of 2002001919037 is 7309191002002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1360754912196 + 641247006841 = 1166514^2 + 800779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002001919037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002001918993 and 2002001919011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001919937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000959518 + 1001000959519.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000959519).

Almost surely, 2^{2002001919037} is an apocalyptic number.

It is an amenable number.

2002001919037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001919037 is an equidigital number, since it uses as much as digits as its factorization.

2002001919037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 2002001919037 in words is "two trillion, two billion, one million, nine hundred nineteen thousand, thirty-seven".