5378047391 has 2 divisors, whose sum is σ = 5378047392. Its totient is φ = 5378047390.

The previous prime is 5378047357. The next prime is 5378047447. The reversal of 5378047391 is 1937408735.

5378047391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5378047391 - 2¹⁰ = 5378046367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5378047331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689023695 + 2689023696.

It is an arithmetic number, because the mean of its divisors is an integer number (2689023696).

Almost surely, 2^5378047391 is an apocalyptic number.

5378047391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5378047391 is an equidigital number, since it uses as much as digits as its factorization.

5378047391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 5378047391 is about 73335.1715822633. The cubic root of 5378047391 is about 1752.0300133469.

The spelling of 5378047391 in words is "five billion, three hundred seventy-eight million, forty-seven thousand, three hundred ninety-one".