8288393407849 has 3 divisors (see below), whose sum is σ = 8288396286807. Its totient is φ = 8288390528892.

The previous prime is 8288393407837. The next prime is 8288393407951. The reversal of 8288393407849 is 9487043938828.

The square root of 8288393407849 is 2878957.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2363706379225 + 5924687028624 = 1537435^2 + 2434068^2 .

It is not a de Polignac number, because 8288393407849 - 2¹⁷ = 8288393276777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8288393404849) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1439479 + ... + 4318435.

It is an arithmetic number, because the mean of its divisors is an integer number (2762798762269).

Almost surely, 2^{8288393407849} is an apocalyptic number.

8288393407849 is the 2878957-th square number.

8288393407849 is the 1439479-th centered octagonal number.

It is an amenable number.

8288393407849 is a deficient number, since it is larger than the sum of its proper divisors (2878958).

8288393407849 is an frugal number, since it uses more digits than its factorization.

8288393407849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757914 (or 2878957 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 73.

The spelling of 8288393407849 in words is "eight trillion, two hundred eighty-eight billion, three hundred ninety-three million, four hundred seven thousand, eight hundred forty-nine".