8280340693 has 8 divisors (see below), whose sum is σ = 8335151928. Its totient is φ = 8225609664.

The previous prime is 8280340687. The next prime is 8280340723. The reversal of 8280340693 is 3960430828.

It can be written as a sum of positive squares in 4 ways, for example, as 5595339204 + 2685001489 = 74802^2 + 51817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8280340693 - 2⁵ = 8280340661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8280340613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194655 + ... + 233347.

It is an arithmetic number, because the mean of its divisors is an integer number (1041893991).

Almost surely, 2^8280340693 is an apocalyptic number.

It is an amenable number.

8280340693 is a deficient number, since it is larger than the sum of its proper divisors (54811235).

8280340693 is a wasteful number, since it uses less digits than its factorization.

8280340693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40103.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 8280340693 is about 90996.3773619588. The cubic root of 8280340693 is about 2023.0940308823.

The spelling of 8280340693 in words is "eight billion, two hundred eighty million, three hundred forty thousand, six hundred ninety-three".