5438709479 has 24 divisors (see below), whose sum is σ = 6710376528. Its totient is φ = 4379961600.

The previous prime is 5438709469. The next prime is 5438709499. The reversal of 5438709479 is 9749078345.

It is not a de Polignac number, because 5438709479 - 2¹² = 5438705383 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 (5438709449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505304 + ... + 515954.

It is an arithmetic number, because the mean of its divisors is an integer number (279599022).

Almost surely, 2^5438709479 is an apocalyptic number.

5438709479 is a deficient number, since it is larger than the sum of its proper divisors (1271667049).

5438709479 is a wasteful number, since it uses less digits than its factorization.

5438709479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295 (or 11288 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 5438709479 is about 73747.6065984517. The cubic root of 5438709479 is about 1758.5927843099.

The spelling of 5438709479 in words is "five billion, four hundred thirty-eight million, seven hundred nine thousand, four hundred seventy-nine".