2007201689 has 2 divisors, whose sum is σ = 2007201690. Its totient is φ = 2007201688.

The previous prime is 2007201661. The next prime is 2007201719. The reversal of 2007201689 is 9861027002.

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., 1641627289 + 365574400 = 40517^2 + 19120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2007201689 - 2²⁸ = 1738766233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2007206689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003600844 + 1003600845.

It is an arithmetic number, because the mean of its divisors is an integer number (1003600845).

Almost surely, 2^2007201689 is an apocalyptic number.

It is an amenable number.

2007201689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2007201689 is an equidigital number, since it uses as much as digits as its factorization.

2007201689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2007201689 is about 44801.8045283893. The cubic root of 2007201689 is about 1261.4314983073.

The spelling of 2007201689 in words is "two billion, seven million, two hundred one thousand, six hundred eighty-nine".