1617317332859 has 2 divisors, whose sum is σ = 1617317332860. Its totient is φ = 1617317332858.

The previous prime is 1617317332847. The next prime is 1617317332903. The reversal of 1617317332859 is 9582337137161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1617317332859 is a prime.

It is a super-2 number, since 2×1617317332859² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1617317332259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808658666429 + 808658666430.

It is an arithmetic number, because the mean of its divisors is an integer number (808658666430).

Almost surely, 2^{1617317332859} is an apocalyptic number.

1617317332859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617317332859 is an equidigital number, since it uses as much as digits as its factorization.

1617317332859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The spelling of 1617317332859 in words is "one trillion, six hundred seventeen billion, three hundred seventeen million, three hundred thirty-two thousand, eight hundred fifty-nine".