6949785843 has 48 divisors (see below), whose sum is σ = 13478390016. Its totient is φ = 3332560320.

The previous prime is 6949785841. The next prime is 6949785859. The reversal of 6949785843 is 3485879496.

6949785843 is a `hidden beast` number, since 6 + 9 + 49 + 7 + 8 + 584 + 3 = 666.

It is not a de Polignac number, because 6949785843 - 2¹ = 6949785841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (6949785841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376705 + ... + 394722.

It is an arithmetic number, because the mean of its divisors is an integer number (280799792).

Almost surely, 2^6949785843 is an apocalyptic number.

6949785843 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6949785843 is a deficient number, since it is larger than the sum of its proper divisors (6528604173).

6949785843 is a wasteful number, since it uses less digits than its factorization.

6949785843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771464 (or 771461 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 6949785843 is about 83365.3755644392. The cubic root of 6949785843 is about 1908.3460955642.

The spelling of 6949785843 in words is "six billion, nine hundred forty-nine million, seven hundred eighty-five thousand, eight hundred forty-three".