5384578618 has 4 divisors (see below), whose sum is σ = 8076867930. Its totient is φ = 2692289308.

The previous prime is 5384578613. The next prime is 5384578621. The reversal of 5384578618 is 8168754835.

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., 4648921489 + 735657129 = 68183^2 + 27123^2 .

It is not an unprimeable number, because it can be changed into a prime (5384578613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346144653 + ... + 1346144656.

Almost surely, 2^5384578618 is an apocalyptic number.

5384578618 is a deficient number, since it is larger than the sum of its proper divisors (2692289312).

5384578618 is a wasteful number, since it uses less digits than its factorization.

5384578618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692289311.

The product of its digits is 6451200, while the sum is 55.

The square root of 5384578618 is about 73379.6880478515. The cubic root of 5384578618 is about 1752.7389618953.

The spelling of 5384578618 in words is "five billion, three hundred eighty-four million, five hundred seventy-eight thousand, six hundred eighteen".