7171152049 has 2 divisors, whose sum is σ = 7171152050. Its totient is φ = 7171152048.

The previous prime is 7171152047. The next prime is 7171152059. The reversal of 7171152049 is 9402511717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6953058225 + 218093824 = 83385^2 + 14768^2 .

It is an emirp because it is prime and its reverse (9402511717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7171152049 - 2¹ = 7171152047 is a prime.

Together with 7171152047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7171151999 and 7171152017.

It is not a weakly prime, because it can be changed into another prime (7171152047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3585576024 + 3585576025.

It is an arithmetic number, because the mean of its divisors is an integer number (3585576025).

Almost surely, 2^7171152049 is an apocalyptic number.

It is an amenable number.

7171152049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7171152049 is an equidigital number, since it uses as much as digits as its factorization.

7171152049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 7171152049 is about 84682.6549477518. The cubic root of 7171152049 is about 1928.3963921898.

The spelling of 7171152049 in words is "seven billion, one hundred seventy-one million, one hundred fifty-two thousand, forty-nine".