8469841961 has 4 divisors (see below), whose sum is σ = 9679819392. Its totient is φ = 7259864532.

The previous prime is 8469841957. The next prime is 8469841981. The reversal of 8469841961 is 1691489648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8469841961 - 2² = 8469841957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8469841897 and 8469841906.

It is not an unprimeable number, because it can be changed into a prime (8469841981) 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, 604988705 + ... + 604988718.

It is an arithmetic number, because the mean of its divisors is an integer number (2419954848).

Almost surely, 2^8469841961 is an apocalyptic number.

It is an amenable number.

8469841961 is a deficient number, since it is larger than the sum of its proper divisors (1209977431).

8469841961 is a wasteful number, since it uses less digits than its factorization.

8469841961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209977430.

The product of its digits is 2985984, while the sum is 56.

The square root of 8469841961 is about 92031.7443114059. The cubic root of 8469841961 is about 2038.4110689668.

The spelling of 8469841961 in words is "eight billion, four hundred sixty-nine million, eight hundred forty-one thousand, nine hundred sixty-one".