6547945914 has 24 divisors (see below), whose sum is σ = 14346626580. Its totient is φ = 2158123968.

The previous prime is 6547945903. The next prime is 6547945939. The reversal of 6547945914 is 4195497456.

6547945914 is a `hidden beast` number, since 6 + 5 + 47 + 9 + 4 + 591 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6289283025 + 258662889 = 79305^2 + 16083^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2042077 + ... + 2045280.

Almost surely, 2^6547945914 is an apocalyptic number.

6547945914 is an abundant number, since it is smaller than the sum of its proper divisors (7798680666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6547945914 is a wasteful number, since it uses less digits than its factorization.

6547945914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087454 (or 4087451 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 6547945914 is about 80919.3791004355. The cubic root of 6547945914 is about 1870.8330254860.

The spelling of 6547945914 in words is "six billion, five hundred forty-seven million, nine hundred forty-five thousand, nine hundred fourteen".