6708347939 has 2 divisors, whose sum is σ = 6708347940. Its totient is φ = 6708347938.

The previous prime is 6708347903. The next prime is 6708347957. The reversal of 6708347939 is 9397438076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6708347939 - 2¹² = 6708343843 is a prime.

It is not a weakly prime, because it can be changed into another prime (6708349939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354173969 + 3354173970.

It is an arithmetic number, because the mean of its divisors is an integer number (3354173970).

Almost surely, 2^6708347939 is an apocalyptic number.

6708347939 is a deficient number, since it is larger than the sum of its proper divisors (1).

6708347939 is an equidigital number, since it uses as much as digits as its factorization.

6708347939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 6708347939 is about 81904.5049981990. The cubic root of 6708347939 is about 1885.9862694938.

The spelling of 6708347939 in words is "six billion, seven hundred eight million, three hundred forty-seven thousand, nine hundred thirty-nine".