2838388404557 has 8 divisors (see below), whose sum is σ = 2907700874232. Its totient is φ = 2769079910400.

The previous prime is 2838388404541. The next prime is 2838388404559. The reversal of 2838388404557 is 7554048838382.

It is a happy number.

2838388404557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6013847401 + 2832374557156 = 77549^2 + 1682966^2 .

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

It is not a de Polignac number, because 2838388404557 - 2⁴ = 2838388404541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2838388404493 and 2838388404502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838388404559) 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, 477773 + ... + 2430029.

It is an arithmetic number, because the mean of its divisors is an integer number (363462609279).

Almost surely, 2^{2838388404557} is an apocalyptic number.

It is an amenable number.

2838388404557 is a deficient number, since it is larger than the sum of its proper divisors (69312469675).

2838388404557 is a wasteful number, since it uses less digits than its factorization.

2838388404557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987759.

The product of its (nonzero) digits is 206438400, while the sum is 65.

The spelling of 2838388404557 in words is "two trillion, eight hundred thirty-eight billion, three hundred eighty-eight million, four hundred four thousand, five hundred fifty-seven".