9711628693 has 4 divisors (see below), whose sum is σ = 10458677068. Its totient is φ = 8964580320.

The previous prime is 9711628691. The next prime is 9711628697. The reversal of 9711628693 is 3968261179.

It is a happy number.

9711628693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1187353764 + 8524274929 = 34458^2 + 92327^2 .

It is a cyclic number.

It is not a de Polignac number, because 9711628693 - 2¹ = 9711628691 is a prime.

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 9711628693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9711628691) 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 3 ways as a sum of consecutive naturals, for example, 373524168 + ... + 373524193.

It is an arithmetic number, because the mean of its divisors is an integer number (2614669267).

Almost surely, 2^9711628693 is an apocalyptic number.

It is an amenable number.

9711628693 is a deficient number, since it is larger than the sum of its proper divisors (747048375).

9711628693 is a wasteful number, since it uses less digits than its factorization.

9711628693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747048374.

The product of its digits is 979776, while the sum is 52.

The square root of 9711628693 is about 98547.5960792550. The cubic root of 9711628693 is about 2133.5231349982.

The spelling of 9711628693 in words is "nine billion, seven hundred eleven million, six hundred twenty-eight thousand, six hundred ninety-three".