6946055649 has 27 divisors (see below), whose sum is σ = 10869429753. Its totient is φ = 4272495552.

The previous prime is 6946055639. The next prime is 6946055651. The reversal of 6946055649 is 9465506496.

The square root of 6946055649 is 83343.

It is a perfect power (a square), and thus also a powerful number.

6946055649 is a `hidden beast` number, since 6 + 9 + 46 + 0 + 556 + 49 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4670765649 + 2275290000 = 68343^2 + 47700^2 .

It is not a de Polignac number, because 6946055649 - 2⁷ = 6946055521 is a prime.

It is a super-2 number, since 2×6946055649² = 96495378158009622402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6946055595 and 6946055604.

It is not an unprimeable number, because it can be changed into a prime (6946055639) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3249309 + ... + 3251445.

Almost surely, 2^6946055649 is an apocalyptic number.

6946055649 is the 83343-rd square number.

6946055649 is the 41672-nd centered octagonal number.

It is an amenable number.

6946055649 is a deficient number, since it is larger than the sum of its proper divisors (3923374104).

6946055649 is an equidigital number, since it uses as much as digits as its factorization.

6946055649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The cubic root of 6946055649 is about 1908.0046090167.

The spelling of 6946055649 in words is "six billion, nine hundred forty-six million, fifty-five thousand, six hundred forty-nine".