5438779526379 has 4 divisors (see below), whose sum is σ = 7251706035176. Its totient is φ = 3625853017584.

The previous prime is 5438779526363. The next prime is 5438779526423. The reversal of 5438779526379 is 9736259778345.

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

It is not a de Polignac number, because 5438779526379 - 2⁴ = 5438779526363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5438779526379.

It is not an unprimeable number, because it can be changed into a prime (5438779526329) 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, 906463254394 + ... + 906463254399.

It is an arithmetic number, because the mean of its divisors is an integer number (1812926508794).

Almost surely, 2^{5438779526379} is an apocalyptic number.

5438779526379 is a deficient number, since it is larger than the sum of its proper divisors (1812926508797).

5438779526379 is a wasteful number, since it uses less digits than its factorization.

5438779526379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812926508796.

The product of its digits is 2400451200, while the sum is 75.

The spelling of 5438779526379 in words is "five trillion, four hundred thirty-eight billion, seven hundred seventy-nine million, five hundred twenty-six thousand, three hundred seventy-nine".