6623100013265 has 8 divisors (see below), whose sum is σ = 7948468946088. Its totient is φ = 5297980723840.

The previous prime is 6623100013253. The next prime is 6623100013267. The reversal of 6623100013265 is 5623100013266.

It can be written as a sum of positive squares in 4 ways, for example, as 2962915001344 + 3660185011921 = 1721312^2 + 1913161^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-6623100013265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623100013267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62352476 + ... + 62458605.

It is an arithmetic number, because the mean of its divisors is an integer number (993558618261).

Almost surely, 2^{6623100013265} is an apocalyptic number.

It is an amenable number.

6623100013265 is a deficient number, since it is larger than the sum of its proper divisors (1325368932823).

6623100013265 is a wasteful number, since it uses less digits than its factorization.

6623100013265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124821699.

The product of its (nonzero) digits is 38880, while the sum is 35.

Subtracting from 6623100013265 its reverse (5623100013266), we obtain a palindrome (999999999999).

It can be divided in two parts, 662310001 and 3265, that added together give a palindrome (662313266).

The spelling of 6623100013265 in words is "six trillion, six hundred twenty-three billion, one hundred million, thirteen thousand, two hundred sixty-five".