7268065669769 has 4 divisors (see below), whose sum is σ = 7308220728900. Its totient is φ = 7227910610640.

The previous prime is 7268065669699. The next prime is 7268065669871. The reversal of 7268065669769 is 9679665608627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157123446544 + 7110942223225 = 396388^2 + 2666635^2 .

It is a cyclic number.

It is not a de Polignac number, because 7268065669769 - 2¹² = 7268065665673 is a prime.

It is a super-2 number, since 2×7268065669769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7268065669769.

It is not an unprimeable number, because it can be changed into a prime (7268065669369) 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, 20077529294 + ... + 20077529655.

It is an arithmetic number, because the mean of its divisors is an integer number (1827055182225).

Almost surely, 2^{7268065669769} is an apocalyptic number.

It is an amenable number.

7268065669769 is a deficient number, since it is larger than the sum of its proper divisors (40155059131).

7268065669769 is a wasteful number, since it uses less digits than its factorization.

7268065669769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40155059130.

The product of its (nonzero) digits is 2469035520, while the sum is 77.

The spelling of 7268065669769 in words is "seven trillion, two hundred sixty-eight billion, sixty-five million, six hundred sixty-nine thousand, seven hundred sixty-nine".