5389440791 has 8 divisors (see below), whose sum is σ = 6290411520. Its totient is φ = 4521232728.

The previous prime is 5389440779. The next prime is 5389440809. The reversal of 5389440791 is 1970449835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5389440791 - 2³⁰ = 4315698967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5389440731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190311 + ... + 8190968.

It is an arithmetic number, because the mean of its divisors is an integer number (786301440).

Almost surely, 2^5389440791 is an apocalyptic number.

5389440791 is a deficient number, since it is larger than the sum of its proper divisors (900970729).

5389440791 is a wasteful number, since it uses less digits than its factorization.

5389440791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381333.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 5389440791 is about 73412.8108098307. The cubic root of 5389440791 is about 1753.2663665969.

The spelling of 5389440791 in words is "five billion, three hundred eighty-nine million, four hundred forty thousand, seven hundred ninety-one".