2089646255029 has 2 divisors, whose sum is σ = 2089646255030. Its totient is φ = 2089646255028.

The previous prime is 2089646255027. The next prime is 2089646255077. The reversal of 2089646255029 is 9205526469802.

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., 1721199683025 + 368446572004 = 1311945^2 + 606998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089646255029 - 2¹ = 2089646255027 is a prime.

Together with 2089646255027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089646255027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044823127514 + 1044823127515.

It is an arithmetic number, because the mean of its divisors is an integer number (1044823127515).

Almost surely, 2^{2089646255029} is an apocalyptic number.

It is an amenable number.

2089646255029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089646255029 is an equidigital number, since it uses as much as digits as its factorization.

2089646255029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 2089646255029 in words is "two trillion, eighty-nine billion, six hundred forty-six million, two hundred fifty-five thousand, twenty-nine".