549199873 has 8 divisors (see below), whose sum is σ = 554220576. Its totient is φ = 544202400.

The previous prime is 549199837. The next prime is 549199901. The reversal of 549199873 is 378991945.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549199873 is a prime.

It is a super-2 number, since 2×549199873² = 603241001006432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549199823) 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, 43578 + ... + 54748.

It is an arithmetic number, because the mean of its divisors is an integer number (69277572).

Almost surely, 2^549199873 is an apocalyptic number.

It is an amenable number.

549199873 is a deficient number, since it is larger than the sum of its proper divisors (5020703).

549199873 is a wasteful number, since it uses less digits than its factorization.

549199873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615.

The product of its digits is 2449440, while the sum is 55.

The square root of 549199873 is about 23435.0138254706. The cubic root of 549199873 is about 818.9237680396.

The spelling of 549199873 in words is "five hundred forty-nine million, one hundred ninety-nine thousand, eight hundred seventy-three".