6985784243 has 8 divisors (see below), whose sum is σ = 7003532160. Its totient is φ = 6968053120.

The previous prime is 6985784203. The next prime is 6985784263. The reversal of 6985784243 is 3424875896.

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 6985784243 - 2²² = 6981589939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6985784203) 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, 1316171 + ... + 1321467.

It is an arithmetic number, because the mean of its divisors is an integer number (875441520).

Almost surely, 2^6985784243 is an apocalyptic number.

6985784243 is a deficient number, since it is larger than the sum of its proper divisors (17747917).

6985784243 is a wasteful number, since it uses less digits than its factorization.

6985784243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8397.

The product of its digits is 11612160, while the sum is 56.

The square root of 6985784243 is about 83581.0040798745. The cubic root of 6985784243 is about 1911.6353640001.

The spelling of 6985784243 in words is "six billion, nine hundred eighty-five million, seven hundred eighty-four thousand, two hundred forty-three".