5650509981329 has 2 divisors, whose sum is σ = 5650509981330. Its totient is φ = 5650509981328.

The previous prime is 5650509981307. The next prime is 5650509981373. The reversal of 5650509981329 is 9231899050565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3987769363600 + 1662740617729 = 1996940^2 + 1289473^2 .

It is a cyclic number.

It is not a de Polignac number, because 5650509981329 - 2⁸ = 5650509981073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5650509981929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825254990664 + 2825254990665.

It is an arithmetic number, because the mean of its divisors is an integer number (2825254990665).

Almost surely, 2^{5650509981329} is an apocalyptic number.

It is an amenable number.

5650509981329 is a deficient number, since it is larger than the sum of its proper divisors (1).

5650509981329 is an equidigital number, since it uses as much as digits as its factorization.

5650509981329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 62.

The spelling of 5650509981329 in words is "five trillion, six hundred fifty billion, five hundred nine million, nine hundred eighty-one thousand, three hundred twenty-nine".