6712216739 has 2 divisors, whose sum is σ = 6712216740. Its totient is φ = 6712216738.

The previous prime is 6712216699. The next prime is 6712216741. The reversal of 6712216739 is 9376122176.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6712216739 is a prime.

It is a Sophie Germain prime.

Together with 6712216741, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6712216739.

It is not a weakly prime, because it can be changed into another prime (6712216789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3356108369 + 3356108370.

It is an arithmetic number, because the mean of its divisors is an integer number (3356108370).

Almost surely, 2^6712216739 is an apocalyptic number.

6712216739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6712216739 is an equidigital number, since it uses as much as digits as its factorization.

6712216739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 6712216739 is about 81928.1193425066. The cubic root of 6712216739 is about 1886.3487582183.

The spelling of 6712216739 in words is "six billion, seven hundred twelve million, two hundred sixteen thousand, seven hundred thirty-nine".