549160399 has 4 divisors (see below), whose sum is σ = 550465240. Its totient is φ = 547855560.

The previous prime is 549160387. The next prime is 549160411. The reversal of 549160399 is 993061945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993061945 = 5 ⋅198612389.

It is an interprime number because it is at equal distance from previous prime (549160387) and next prime (549160411).

It is a cyclic number.

It is not a de Polignac number, because 549160399 - 2⁹ = 549159887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549161399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651789 + ... + 652630.

It is an arithmetic number, because the mean of its divisors is an integer number (137616310).

Almost surely, 2^549160399 is an apocalyptic number.

549160399 is a deficient number, since it is larger than the sum of its proper divisors (1304841).

549160399 is a wasteful number, since it uses less digits than its factorization.

549160399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304840.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 549160399 is about 23434.1716089987. The cubic root of 549160399 is about 818.9041473921.

The spelling of 549160399 in words is "five hundred forty-nine million, one hundred sixty thousand, three hundred ninety-nine".