8469049864823 has 4 divisors (see below), whose sum is σ = 8486440111440. Its totient is φ = 8451659618208.

The previous prime is 8469049864819. The next prime is 8469049864831. The reversal of 8469049864823 is 3284689409648.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8469049864823 - 2² = 8469049864819 is a prime.

It is a super-2 number, since 2×8469049864823² (a number of 27 digits) contains 22 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 (8469048864823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8695122578 + ... + 8695123551.

It is an arithmetic number, because the mean of its divisors is an integer number (2121610027860).

Almost surely, 2^{8469049864823} is an apocalyptic number.

8469049864823 is a deficient number, since it is larger than the sum of its proper divisors (17390246617).

8469049864823 is a wasteful number, since it uses less digits than its factorization.

8469049864823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17390246616.

The product of its (nonzero) digits is 573308928, while the sum is 71.

The spelling of 8469049864823 in words is "eight trillion, four hundred sixty-nine billion, forty-nine million, eight hundred sixty-four thousand, eight hundred twenty-three".