817151065396 has 6 divisors (see below), whose sum is σ = 1430014364450. Its totient is φ = 408575532696.

The previous prime is 817151065391. The next prime is 817151065411. The reversal of 817151065396 is 693560151718.

It can be written as a sum of positive squares in only one way, i.e., 817150913296 + 152100 = 903964^2 + 390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (817151065391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102143883171 + ... + 102143883178.

Almost surely, 2^817151065396 is an apocalyptic number.

It is an amenable number.

817151065396 is a deficient number, since it is larger than the sum of its proper divisors (612863299054).

817151065396 is a wasteful number, since it uses less digits than its factorization.

817151065396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204287766353 (or 204287766351 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 817151065396 in words is "eight hundred seventeen billion, one hundred fifty-one million, sixty-five thousand, three hundred ninety-six".