3939329120807 has 2 divisors, whose sum is σ = 3939329120808. Its totient is φ = 3939329120806.

The previous prime is 3939329120803. The next prime is 3939329120813. The reversal of 3939329120807 is 7080219239393.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3939329120807 - 2² = 3939329120803 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3939329120803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969664560403 + 1969664560404.

It is an arithmetic number, because the mean of its divisors is an integer number (1969664560404).

Almost surely, 2^{3939329120807} is an apocalyptic number.

3939329120807 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939329120807 is an equidigital number, since it uses as much as digits as its factorization.

3939329120807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 3939329120807 in words is "three trillion, nine hundred thirty-nine billion, three hundred twenty-nine million, one hundred twenty thousand, eight hundred seven".