5538982209 has 4 divisors (see below), whose sum is σ = 7385309616. Its totient is φ = 3692654804.

The previous prime is 5538982181. The next prime is 5538982219. The reversal of 5538982209 is 9022898355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5538982209 - 2⁷ = 5538982081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5538982219) 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, 923163699 + ... + 923163704.

It is an arithmetic number, because the mean of its divisors is an integer number (1846327404).

Almost surely, 2^5538982209 is an apocalyptic number.

It is an amenable number.

5538982209 is a deficient number, since it is larger than the sum of its proper divisors (1846327407).

5538982209 is a wasteful number, since it uses less digits than its factorization.

5538982209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846327406.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 5538982209 is about 74424.3388213829. The cubic root of 5538982209 is about 1769.3346802027.

The spelling of 5538982209 in words is "five billion, five hundred thirty-eight million, nine hundred eighty-two thousand, two hundred nine".