70709131269 has 24 divisors (see below), whose sum is σ = 118037724480. Its totient is φ = 39951223488.

The previous prime is 70709131267. The next prime is 70709131277. The reversal of 70709131269 is 96213190707.

It is not a de Polignac number, because 70709131269 - 2¹ = 70709131267 is a prime.

It is a super-2 number, since 2×70709131269² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70709131267) 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 23 ways as a sum of consecutive naturals, for example, 6299827 + ... + 6311040.

It is an arithmetic number, because the mean of its divisors is an integer number (4918238520).

Almost surely, 2^70709131269 is an apocalyptic number.

It is an amenable number.

70709131269 is a deficient number, since it is larger than the sum of its proper divisors (47328593211).

70709131269 is a wasteful number, since it uses less digits than its factorization.

70709131269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610969 (or 12610966 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 70709131269 in words is "seventy billion, seven hundred nine million, one hundred thirty-one thousand, two hundred sixty-nine".