6544922049 has 6 divisors (see below), whose sum is σ = 9453776306. Its totient is φ = 4363281360.

The previous prime is 6544922011. The next prime is 6544922053. The reversal of 6544922049 is 9402294456.

It can be written as a sum of positive squares in only one way, i.e., 6196838400 + 348083649 = 78720^2 + 18657^2 .

It is not a de Polignac number, because 6544922049 - 2⁷ = 6544921921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6544921995 and 6544922013.

It is not an unprimeable number, because it can be changed into a prime (6544962049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363606772 + ... + 363606789.

Almost surely, 2^6544922049 is an apocalyptic number.

It is an amenable number.

6544922049 is a deficient number, since it is larger than the sum of its proper divisors (2908854257).

6544922049 is a wasteful number, since it uses less digits than its factorization.

6544922049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727213567 (or 727213564 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 6544922049 is about 80900.6925124872. The cubic root of 6544922049 is about 1870.5449953346.

The spelling of 6544922049 in words is "six billion, five hundred forty-four million, nine hundred twenty-two thousand, forty-nine".