69375496173985 has 8 divisors (see below), whose sum is σ = 83250772808616. Its totient is φ = 55500278672640.

The previous prime is 69375496173983. The next prime is 69375496174003. The reversal of 69375496173985 is 58937169457396.

It can be written as a sum of positive squares in 4 ways, for example, as 712861064721 + 68662635109264 = 844311^2 + 8286292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69375496173985 - 2¹ = 69375496173983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69375496173899 and 69375496173908.

It is not an unprimeable number, because it can be changed into a prime (69375496173983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12159946 + ... + 16929715.

It is an arithmetic number, because the mean of its divisors is an integer number (10406346601077).

Almost surely, 2^{69375496173985} is an apocalyptic number.

It is an amenable number.

69375496173985 is a deficient number, since it is larger than the sum of its proper divisors (13875276634631).

69375496173985 is a wasteful number, since it uses less digits than its factorization.

69375496173985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29566643.

The product of its digits is 9258883200, while the sum is 82.

The spelling of 69375496173985 in words is "sixty-nine trillion, three hundred seventy-five billion, four hundred ninety-six million, one hundred seventy-three thousand, nine hundred eighty-five".