5691179447 has 4 divisors (see below), whose sum is σ = 5771336976. Its totient is φ = 5611021920.

The previous prime is 5691179371. The next prime is 5691179477. The reversal of 5691179447 is 7449711965.

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 5691179447 - 2²⁶ = 5624070583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5691179477) 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, 40078658 + ... + 40078799.

It is an arithmetic number, because the mean of its divisors is an integer number (1442834244).

Almost surely, 2^5691179447 is an apocalyptic number.

5691179447 is a deficient number, since it is larger than the sum of its proper divisors (80157529).

5691179447 is an equidigital number, since it uses as much as digits as its factorization.

5691179447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80157528.

The product of its digits is 1905120, while the sum is 53.

The square root of 5691179447 is about 75439.9061969194. The cubic root of 5691179447 is about 1785.3940912590.

The spelling of 5691179447 in words is "five billion, six hundred ninety-one million, one hundred seventy-nine thousand, four hundred forty-seven".