2010001945669 has 2 divisors, whose sum is σ = 2010001945670. Its totient is φ = 2010001945668.

The previous prime is 2010001945649. The next prime is 2010001945711. The reversal of 2010001945669 is 9665491000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1821244716225 + 188757229444 = 1349535^2 + 434462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010001945669 - 2⁹ = 2010001945157 is a prime.

It is a super-2 number, since 2×2010001945669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010001945619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005000972834 + 1005000972835.

It is an arithmetic number, because the mean of its divisors is an integer number (1005000972835).

Almost surely, 2^{2010001945669} is an apocalyptic number.

It is an amenable number.

2010001945669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010001945669 is an equidigital number, since it uses as much as digits as its factorization.

2010001945669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 2010001945669 in words is "two trillion, ten billion, one million, nine hundred forty-five thousand, six hundred sixty-nine".