69955142617 has 4 divisors (see below), whose sum is σ = 70039528420. Its totient is φ = 69870756816.

The previous prime is 69955142599. The next prime is 69955142633. The reversal of 69955142617 is 71624155996.

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 42710008896 + 27245133721 = 206664^2 + 165061^2 .

It is a cyclic number.

It is not a de Polignac number, because 69955142617 - 2³⁵ = 35595404249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69955142417) 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, 42191658 + ... + 42193315.

It is an arithmetic number, because the mean of its divisors is an integer number (17509882105).

Almost surely, 2^69955142617 is an apocalyptic number.

It is an amenable number.

69955142617 is a deficient number, since it is larger than the sum of its proper divisors (84385803).

69955142617 is an equidigital number, since it uses as much as digits as its factorization.

69955142617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84385802.

The product of its digits is 4082400, while the sum is 55.

The spelling of 69955142617 in words is "sixty-nine billion, nine hundred fifty-five million, one hundred forty-two thousand, six hundred seventeen".