1002002209937 has 2 divisors, whose sum is σ = 1002002209938. Its totient is φ = 1002002209936.

The previous prime is 1002002209921. The next prime is 1002002210009. The reversal of 1002002209937 is 7399022002001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697131483136 + 304870726801 = 834944^2 + 552151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002002209937 - 2⁴ = 1002002209921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002002209897 and 1002002209906.

It is not a weakly prime, because it can be changed into another prime (1002002209907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501001104968 + 501001104969.

It is an arithmetic number, because the mean of its divisors is an integer number (501001104969).

Almost surely, 2^{1002002209937} is an apocalyptic number.

It is an amenable number.

1002002209937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002002209937 is an equidigital number, since it uses as much as digits as its factorization.

1002002209937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 1002002209937 in words is "one trillion, two billion, two million, two hundred nine thousand, nine hundred thirty-seven".