6942139943707 has 2 divisors, whose sum is σ = 6942139943708. Its totient is φ = 6942139943706.

The previous prime is 6942139943657. The next prime is 6942139943759. The reversal of 6942139943707 is 7073499312496.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942139943707 is a prime.

It is not a weakly prime, because it can be changed into another prime (6942139943807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471069971853 + 3471069971854.

It is an arithmetic number, because the mean of its divisors is an integer number (3471069971854).

Almost surely, 2^{6942139943707} is an apocalyptic number.

6942139943707 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942139943707 is an equidigital number, since it uses as much as digits as its factorization.

6942139943707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 6942139943707 in words is "six trillion, nine hundred forty-two billion, one hundred thirty-nine million, nine hundred forty-three thousand, seven hundred seven".