10340363665 has 4 divisors (see below), whose sum is σ = 12408436404. Its totient is φ = 8272290928.

The previous prime is 10340363623. The next prime is 10340363669. The reversal of 10340363665 is 56636304301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56636304301 = 1019 ⋅55580279.

It can be written as a sum of positive squares in 2 ways, for example, as 2428616961 + 7911746704 = 49281^2 + 88948^2 .

It is a cyclic number.

It is not a de Polignac number, because 10340363665 - 2¹⁷ = 10340232593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10340363669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034036362 + ... + 1034036371.

It is an arithmetic number, because the mean of its divisors is an integer number (3102109101).

Almost surely, 2^10340363665 is an apocalyptic number.

It is an amenable number.

10340363665 is a deficient number, since it is larger than the sum of its proper divisors (2068072739).

10340363665 is an equidigital number, since it uses as much as digits as its factorization.

10340363665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068072738.

The product of its (nonzero) digits is 116640, while the sum is 37.

Adding to 10340363665 its reverse (56636304301), we get a palindrome (66976667966).

The spelling of 10340363665 in words is "ten billion, three hundred forty million, three hundred sixty-three thousand, six hundred sixty-five".