7268738865 has 16 divisors (see below), whose sum is σ = 11650435200. Its totient is φ = 3869843072.

The previous prime is 7268738821. The next prime is 7268738879. The reversal of 7268738865 is 5688378627.

It is a cyclic number.

It is not a de Polignac number, because 7268738865 - 2¹¹ = 7268736817 is a prime.

It is a super-2 number, since 2×7268738865² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7268738799 and 7268738808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417285 + ... + 434354.

It is an arithmetic number, because the mean of its divisors is an integer number (728152200).

Almost surely, 2^7268738865 is an apocalyptic number.

It is an amenable number.

7268738865 is a deficient number, since it is larger than the sum of its proper divisors (4381696335).

7268738865 is a wasteful number, since it uses less digits than its factorization.

7268738865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852216.

The product of its digits is 27095040, while the sum is 60.

The square root of 7268738865 is about 85256.8992222917. The cubic root of 7268738865 is about 1937.1043761903.

The spelling of 7268738865 in words is "seven billion, two hundred sixty-eight million, seven hundred thirty-eight thousand, eight hundred sixty-five".