5438169723 has 16 divisors (see below), whose sum is σ = 8288000000. Its totient is φ = 3107051136.

The previous prime is 5438169713. The next prime is 5438169769. The reversal of 5438169723 is 3279618345.

It is not a de Polignac number, because 5438169723 - 2⁴ = 5438169707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5438169713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158403 + ... + 189651.

It is an arithmetic number, because the mean of its divisors is an integer number (518000000).

Almost surely, 2^5438169723 is an apocalyptic number.

5438169723 is a deficient number, since it is larger than the sum of its proper divisors (2849830277).

5438169723 is a wasteful number, since it uses less digits than its factorization.

5438169723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39546.

The product of its digits is 1088640, while the sum is 48.

The square root of 5438169723 is about 73743.9470261797. The cubic root of 5438169723 is about 1758.5346061451.

The spelling of 5438169723 in words is "five billion, four hundred thirty-eight million, one hundred sixty-nine thousand, seven hundred twenty-three".