69980368892329 has 49 divisors (see below), whose sum is σ = 84559509728827. Its totient is φ = 57914788048824.

The previous prime is 69980368892323. The next prime is 69980368892333. The reversal of 69980368892329 is 92329886308996.

The square root of 69980368892329 is 8365427.

The cubic root of 69980368892329 is 41209.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 29888930923929 + 40091437968400 = 5467077^2 + 6331780^2 .

It is a tau number, because it is divible by the number of its divisors (49).

It is not a de Polignac number, because 69980368892329 - 2³⁵ = 69946009153961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69980368892323) by changing a digit.

It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 2413116168687 + ... + 2413116168715.

Almost surely, 2^{69980368892329} is an apocalyptic number.

69980368892329 is the 8365427-th square number.

69980368892329 is the 4182714-th centered octagonal number.

It is an amenable number.

69980368892329 is a deficient number, since it is larger than the sum of its proper divisors (14579140836498).

69980368892329 is an frugal number, since it uses more digits than its factorization.

69980368892329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 4353564672, while the sum is 82.

The spelling of 69980368892329 in words is "sixty-nine trillion, nine hundred eighty billion, three hundred sixty-eight million, eight hundred ninety-two thousand, three hundred twenty-nine".