6947049841 has 8 divisors (see below), whose sum is σ = 7003414440. Its totient is φ = 6890767488.

The previous prime is 6947049839. The next prime is 6947049869. The reversal of 6947049841 is 1489407496.

It can be written as a sum of positive squares in 4 ways, for example, as 3283290000 + 3663759841 = 57300^2 + 60529^2 .

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 6947049841 - 2¹ = 6947049839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6947041841) 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, 155095 + ... + 194803.

It is an arithmetic number, because the mean of its divisors is an integer number (875426805).

Almost surely, 2^6947049841 is an apocalyptic number.

It is an amenable number.

6947049841 is a deficient number, since it is larger than the sum of its proper divisors (56364599).

6947049841 is a wasteful number, since it uses less digits than its factorization.

6947049841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41123.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 6947049841 is about 83348.9642467139. The cubic root of 6947049841 is about 1908.0956358536.

The spelling of 6947049841 in words is "six billion, nine hundred forty-seven million, forty-nine thousand, eight hundred forty-one".