8469231623845 has 8 divisors (see below), whose sum is σ = 10163237485464. Its totient is φ = 6775278941184.

The previous prime is 8469231623843. The next prime is 8469231623899. The reversal of 8469231623845 is 5483261329648.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2685504840001 + 5783726783844 = 1638751^2 + 2404938^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8469231623845 - 2¹ = 8469231623843 is a prime.

It is a super-3 number, since 3×8469231623845³ (a number of 40 digits) contains 333 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 (8469231623843) 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, 12943524 + ... + 13582093.

It is an arithmetic number, because the mean of its divisors is an integer number (1270404685683).

Almost surely, 2^{8469231623845} is an apocalyptic number.

It is an amenable number.

8469231623845 is a deficient number, since it is larger than the sum of its proper divisors (1694005861619).

8469231623845 is a wasteful number, since it uses less digits than its factorization.

8469231623845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26589479.

The product of its digits is 59719680, while the sum is 61.

The spelling of 8469231623845 in words is "eight trillion, four hundred sixty-nine billion, two hundred thirty-one million, six hundred twenty-three thousand, eight hundred forty-five".