6949950561 has 6 divisors (see below), whose sum is σ = 10038817490. Its totient is φ = 4633300368.

The previous prime is 6949950547. The next prime is 6949950571. The reversal of 6949950561 is 1650599496.

6949950561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6501358161 + 448592400 = 80631^2 + 21180^2 .

It is not a de Polignac number, because 6949950561 - 2¹³ = 6949942369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6949950498 and 6949950507.

It is not an unprimeable number, because it can be changed into a prime (6949950571) 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 5 ways as a sum of consecutive naturals, for example, 386108356 + ... + 386108373.

Almost surely, 2^6949950561 is an apocalyptic number.

It is an amenable number.

6949950561 is a deficient number, since it is larger than the sum of its proper divisors (3088866929).

6949950561 is a wasteful number, since it uses less digits than its factorization.

6949950561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772216735 (or 772216732 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The square root of 6949950561 is about 83366.3634867205. The cubic root of 6949950561 is about 1908.3611721184.

The spelling of 6949950561 in words is "six billion, nine hundred forty-nine million, nine hundred fifty thousand, five hundred sixty-one".