5381097591 has 4 divisors (see below), whose sum is σ = 7174796792. Its totient is φ = 3587398392.

The previous prime is 5381097587. The next prime is 5381097613. The reversal of 5381097591 is 1957901835.

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

It is not a de Polignac number, because 5381097591 - 2² = 5381097587 is a prime.

It is a super-2 number, since 2×5381097591² = 57912422567732006562, which contains 22 as substring.

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 5381097591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381097511) 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, 896849596 + ... + 896849601.

It is an arithmetic number, because the mean of its divisors is an integer number (1793699198).

Almost surely, 2^5381097591 is an apocalyptic number.

5381097591 is a deficient number, since it is larger than the sum of its proper divisors (1793699201).

5381097591 is a wasteful number, since it uses less digits than its factorization.

5381097591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793699200.

The product of its (nonzero) digits is 340200, while the sum is 48.

The square root of 5381097591 is about 73355.9649312856. The cubic root of 5381097591 is about 1752.3611764111.

The spelling of 5381097591 in words is "five billion, three hundred eighty-one million, ninety-seven thousand, five hundred ninety-one".