5438390315 has 4 divisors (see below), whose sum is σ = 6526068384. Its totient is φ = 4350712248.

The previous prime is 5438390303. The next prime is 5438390333. The reversal of 5438390315 is 5130938345.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5438390315 - 2¹⁰ = 5438389291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543839027 + ... + 543839036.

It is an arithmetic number, because the mean of its divisors is an integer number (1631517096).

Almost surely, 2^5438390315 is an apocalyptic number.

5438390315 is a deficient number, since it is larger than the sum of its proper divisors (1087678069).

5438390315 is a wasteful number, since it uses less digits than its factorization.

5438390315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087678068.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 5438390315 is about 73745.4426727510. The cubic root of 5438390315 is about 1758.5583833496.

The spelling of 5438390315 in words is "five billion, four hundred thirty-eight million, three hundred ninety thousand, three hundred fifteen".