6406336549 has 8 divisors (see below), whose sum is σ = 6424379360. Its totient is φ = 6388317936.

The previous prime is 6406336529. The next prime is 6406336591. The reversal of 6406336549 is 9456336046.

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

It is a cyclic number.

It is not a de Polignac number, because 6406336549 - 2²¹ = 6404239397 is a prime.

It is a super-3 number, since 3×6406336549³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6406336499 and 6406336508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406336529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609067 + ... + 619495.

It is an arithmetic number, because the mean of its divisors is an integer number (803047420).

Almost surely, 2^6406336549 is an apocalyptic number.

It is an amenable number.

6406336549 is a deficient number, since it is larger than the sum of its proper divisors (18042811).

6406336549 is a wasteful number, since it uses less digits than its factorization.

6406336549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12099.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The square root of 6406336549 is about 80039.5936334012. The cubic root of 6406336549 is about 1857.2480741478.

The spelling of 6406336549 in words is "six billion, four hundred six million, three hundred thirty-six thousand, five hundred forty-nine".