6549306490 has 8 divisors (see below), whose sum is σ = 11788751700. Its totient is φ = 2619722592.

The previous prime is 6549306469. The next prime is 6549306521. The reversal of 6549306490 is 946039456.

It can be written as a sum of positive squares in 2 ways, for example, as 6057664561 + 491641929 = 77831^2 + 22173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6549306490² = 85786830999912240200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6549306490.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 327465315 + ... + 327465334.

Almost surely, 2^6549306490 is an apocalyptic number.

6549306490 is a deficient number, since it is larger than the sum of its proper divisors (5239445210).

6549306490 is a wasteful number, since it uses less digits than its factorization.

6549306490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654930656.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 6549306490 is about 80927.7856486881. The cubic root of 6549306490 is about 1870.9625945788.

The spelling of 6549306490 in words is "six billion, five hundred forty-nine million, three hundred six thousand, four hundred ninety".