7212717163 has 2 divisors, whose sum is σ = 7212717164. Its totient is φ = 7212717162.

The previous prime is 7212717119. The next prime is 7212717179. The reversal of 7212717163 is 3617172127.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7212717163 is a prime.

It is not a weakly prime, because it can be changed into another prime (7212717763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606358581 + 3606358582.

It is an arithmetic number, because the mean of its divisors is an integer number (3606358582).

Almost surely, 2^7212717163 is an apocalyptic number.

7212717163 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212717163 is an equidigital number, since it uses as much as digits as its factorization.

7212717163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 7212717163 is about 84927.7172835818. The cubic root of 7212717163 is about 1932.1149788437.

The spelling of 7212717163 in words is "seven billion, two hundred twelve million, seven hundred seventeen thousand, one hundred sixty-three".