549856699 has 16 divisors (see below), whose sum is σ = 671731200. Its totient is φ = 439813440.

The previous prime is 549856693. The next prime is 549856717. The reversal of 549856699 is 996658945.

It is a cyclic number.

It is not a de Polignac number, because 549856699 - 2¹⁵ = 549823931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549856693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35049 + ... + 48250.

It is an arithmetic number, because the mean of its divisors is an integer number (41983200).

Almost surely, 2^549856699 is an apocalyptic number.

549856699 is a deficient number, since it is larger than the sum of its proper divisors (121874501).

549856699 is a wasteful number, since it uses less digits than its factorization.

549856699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83370.

The product of its digits is 20995200, while the sum is 61.

The square root of 549856699 is about 23449.0234125006. The cubic root of 549856699 is about 819.2501071123.

The spelling of 549856699 in words is "five hundred forty-nine million, eight hundred fifty-six thousand, six hundred ninety-nine".