9709690969079 has 4 divisors (see below), whose sum is σ = 9710895802920. Its totient is φ = 9708486135240.

The previous prime is 9709690969061. The next prime is 9709690969093.

It is a happy number.

9709690969079 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9709690969079 - 2⁸ = 9709690968823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9709690968994 and 9709690969012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9709690969019) 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, 602404832 + ... + 602420949.

It is an arithmetic number, because the mean of its divisors is an integer number (2427723950730).

Almost surely, 2^{9709690969079} is an apocalyptic number.

9709690969079 is a deficient number, since it is larger than the sum of its proper divisors (1204833841).

9709690969079 is a wasteful number, since it uses less digits than its factorization.

9709690969079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204833840.

The product of its (nonzero) digits is 937461924, while the sum is 80.

The spelling of 9709690969079 in words is "nine trillion, seven hundred nine billion, six hundred ninety million, nine hundred sixty-nine thousand, seventy-nine".