959619640289 has 2 divisors, whose sum is σ = 959619640290. Its totient is φ = 959619640288.

The previous prime is 959619640247. The next prime is 959619640337. The reversal of 959619640289 is 982046916959.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959404578064 + 215062225 = 979492^2 + 14665^2 .

It is a cyclic number.

It is not a de Polignac number, because 959619640289 - 2²⁰ = 959618591713 is a prime.

It is not a weakly prime, because it can be changed into another prime (959619660289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479809820144 + 479809820145.

It is an arithmetic number, because the mean of its divisors is an integer number (479809820145).

Almost surely, 2^959619640289 is an apocalyptic number.

It is an amenable number.

959619640289 is a deficient number, since it is larger than the sum of its proper divisors (1).

959619640289 is an equidigital number, since it uses as much as digits as its factorization.

959619640289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75582720, while the sum is 68.

The spelling of 959619640289 in words is "nine hundred fifty-nine billion, six hundred nineteen million, six hundred forty thousand, two hundred eighty-nine".