5673138247 has 4 divisors (see below), whose sum is σ = 6483586576. Its totient is φ = 4862689920.

The previous prime is 5673138241. The next prime is 5673138259. The reversal of 5673138247 is 7428313765.

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 5673138247 - 2³ = 5673138239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5673138197 and 5673138206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5673138241) 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, 405224154 + ... + 405224167.

It is an arithmetic number, because the mean of its divisors is an integer number (1620896644).

Almost surely, 2^5673138247 is an apocalyptic number.

5673138247 is a deficient number, since it is larger than the sum of its proper divisors (810448329).

5673138247 is an equidigital number, since it uses as much as digits as its factorization.

5673138247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810448328.

The product of its digits is 846720, while the sum is 46.

The square root of 5673138247 is about 75320.2379643081. The cubic root of 5673138247 is about 1783.5055109582.

The spelling of 5673138247 in words is "five billion, six hundred seventy-three million, one hundred thirty-eight thousand, two hundred forty-seven".