5538841394 has 4 divisors (see below), whose sum is σ = 8308262094. Its totient is φ = 2769420696.

The previous prime is 5538841391. The next prime is 5538841409. The reversal of 5538841394 is 4931488355.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4145685769 + 1393155625 = 64387^2 + 37325^2 .

It is not an unprimeable number, because it can be changed into a prime (5538841391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384710347 + ... + 1384710350.

Almost surely, 2^5538841394 is an apocalyptic number.

5538841394 is a deficient number, since it is larger than the sum of its proper divisors (2769420700).

5538841394 is a wasteful number, since it uses less digits than its factorization.

5538841394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769420699.

The product of its digits is 2073600, while the sum is 50.

The square root of 5538841394 is about 74423.3927874832. The cubic root of 5538841394 is about 1769.3196864147.

The spelling of 5538841394 in words is "five billion, five hundred thirty-eight million, eight hundred forty-one thousand, three hundred ninety-four".