2017296189989 has 2 divisors, whose sum is σ = 2017296189990. Its totient is φ = 2017296189988.

The previous prime is 2017296189983. The next prime is 2017296190001. The reversal of 2017296189989 is 9899816927102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478797059364 + 538499130625 = 1216058^2 + 733825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2017296189989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017296189983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008648094994 + 1008648094995.

It is an arithmetic number, because the mean of its divisors is an integer number (1008648094995).

Almost surely, 2^{2017296189989} is an apocalyptic number.

It is an amenable number.

2017296189989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017296189989 is an equidigital number, since it uses as much as digits as its factorization.

2017296189989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70543872, while the sum is 71.

The spelling of 2017296189989 in words is "two trillion, seventeen billion, two hundred ninety-six million, one hundred eighty-nine thousand, nine hundred eighty-nine".