8685264943 has 4 divisors (see below), whose sum is σ = 8705895448. Its totient is φ = 8664634440.

The previous prime is 8685264941. The next prime is 8685264949. The reversal of 8685264943 is 3494625868.

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 8685264943 - 2¹ = 8685264941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685264941) 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, 10314621 + ... + 10315462.

It is an arithmetic number, because the mean of its divisors is an integer number (2176473862).

Almost surely, 2^8685264943 is an apocalyptic number.

8685264943 is a deficient number, since it is larger than the sum of its proper divisors (20630505).

8685264943 is a wasteful number, since it uses less digits than its factorization.

8685264943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630504.

The product of its digits is 9953280, while the sum is 55.

The square root of 8685264943 is about 93194.7688607038. The cubic root of 8685264943 is about 2055.5483205597.

The spelling of 8685264943 in words is "eight billion, six hundred eighty-five million, two hundred sixty-four thousand, nine hundred forty-three".