5244435139 has 4 divisors (see below), whose sum is σ = 5425277760. Its totient is φ = 5063592520.

The previous prime is 5244435113. The next prime is 5244435151. The reversal of 5244435139 is 9315344425.

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

It is a cyclic number.

It is not a de Polignac number, because 5244435139 - 2¹³ = 5244426947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5244475139) 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, 90421267 + ... + 90421324.

It is an arithmetic number, because the mean of its divisors is an integer number (1356319440).

Almost surely, 2^5244435139 is an apocalyptic number.

5244435139 is a deficient number, since it is larger than the sum of its proper divisors (180842621).

5244435139 is a wasteful number, since it uses less digits than its factorization.

5244435139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180842620.

The product of its digits is 259200, while the sum is 40.

The square root of 5244435139 is about 72418.4723603032. The cubic root of 5244435139 is about 1737.3990226430.

The spelling of 5244435139 in words is "five billion, two hundred forty-four million, four hundred thirty-five thousand, one hundred thirty-nine".