9679512959 has 4 divisors (see below), whose sum is σ = 9725387640. Its totient is φ = 9633638280.

The previous prime is 9679512949. The next prime is 9679512971. The reversal of 9679512959 is 9592159769.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9592159769 = 43 ⋅223073483.

It is a cyclic number.

It is not a de Polignac number, because 9679512959 - 2¹⁶ = 9679447423 is a prime.

It is a super-2 number, since 2×9679512959² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9679512949) 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, 22937024 + ... + 22937445.

It is an arithmetic number, because the mean of its divisors is an integer number (2431346910).

Almost surely, 2^9679512959 is an apocalyptic number.

9679512959 is a deficient number, since it is larger than the sum of its proper divisors (45874681).

9679512959 is a wasteful number, since it uses less digits than its factorization.

9679512959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45874680.

The product of its digits is 13778100, while the sum is 62.

The square root of 9679512959 is about 98384.5158498023. The cubic root of 9679512959 is about 2131.1687296845.

The spelling of 9679512959 in words is "nine billion, six hundred seventy-nine million, five hundred twelve thousand, nine hundred fifty-nine".