5399991549 has 32 divisors (see below), whose sum is σ = 8265888000. Its totient is φ = 3482256960.

The previous prime is 5399991491. The next prime is 5399991599. The reversal of 5399991549 is 9451999935.

5399991549 is a `hidden beast` number, since 5 + 399 + 99 + 154 + 9 = 666.

It is not a de Polignac number, because 5399991549 - 2¹⁶ = 5399926013 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5399991599) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 75027 + ... + 128175.

It is an arithmetic number, because the mean of its divisors is an integer number (258309000).

Almost surely, 2^5399991549 is an apocalyptic number.

It is an amenable number.

5399991549 is a deficient number, since it is larger than the sum of its proper divisors (2865896451).

5399991549 is a wasteful number, since it uses less digits than its factorization.

5399991549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53282 (or 53276 counting only the distinct ones).

The product of its digits is 17714700, while the sum is 63.

The square root of 5399991549 is about 73484.6347817011. The cubic root of 5399991549 is about 1754.4097277097.

The spelling of 5399991549 in words is "five billion, three hundred ninety-nine million, nine hundred ninety-one thousand, five hundred forty-nine".