7171356242 has 8 divisors (see below), whose sum is σ = 10835553276. Its totient is φ = 3559505152.

The previous prime is 7171356221. The next prime is 7171356259. The reversal of 7171356242 is 2426531717.

It can be written as a sum of positive squares in 2 ways, for example, as 6347149561 + 824206681 = 79669^2 + 28709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7171356196 and 7171356205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13086143 + ... + 13086690.

Almost surely, 2^7171356242 is an apocalyptic number.

7171356242 is a deficient number, since it is larger than the sum of its proper divisors (3664197034).

7171356242 is a wasteful number, since it uses less digits than its factorization.

7171356242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26172972.

The product of its digits is 70560, while the sum is 38.

The square root of 7171356242 is about 84683.8605756729. The cubic root of 7171356242 is about 1928.4146952139.

Adding to 7171356242 its reverse (2426531717), we get a palindrome (9597887959).

The spelling of 7171356242 in words is "seven billion, one hundred seventy-one million, three hundred fifty-six thousand, two hundred forty-two".