2001210110489 has 2 divisors, whose sum is σ = 2001210110490. Its totient is φ = 2001210110488.

The previous prime is 2001210110477. The next prime is 2001210110509. The reversal of 2001210110489 is 9840110121002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1661417881600 + 339792228889 = 1288960^2 + 582917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001210110489 - 2¹² = 2001210106393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001210110789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000605055244 + 1000605055245.

It is an arithmetic number, because the mean of its divisors is an integer number (1000605055245).

Almost surely, 2^{2001210110489} is an apocalyptic number.

It is an amenable number.

2001210110489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001210110489 is an equidigital number, since it uses as much as digits as its factorization.

2001210110489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 2001210110489 in words is "two trillion, one billion, two hundred ten million, one hundred ten thousand, four hundred eighty-nine".