5344509391 has 4 divisors (see below), whose sum is σ = 5755625512. Its totient is φ = 4933393272.

The previous prime is 5344509353. The next prime is 5344509403. The reversal of 5344509391 is 1939054435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1939054435 = 5 ⋅387810887.

It is a cyclic number.

It is not a de Polignac number, because 5344509391 - 2⁷ = 5344509263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5344509091) 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, 205558041 + ... + 205558066.

It is an arithmetic number, because the mean of its divisors is an integer number (1438906378).

Almost surely, 2^5344509391 is an apocalyptic number.

5344509391 is a deficient number, since it is larger than the sum of its proper divisors (411116121).

5344509391 is a wasteful number, since it uses less digits than its factorization.

5344509391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411116120.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 5344509391 is about 73106.1515263935. The cubic root of 5344509391 is about 1748.3804762174.

The spelling of 5344509391 in words is "five billion, three hundred forty-four million, five hundred nine thousand, three hundred ninety-one".