68214999707 has 2 divisors, whose sum is σ = 68214999708. Its totient is φ = 68214999706.

The previous prime is 68214999661. The next prime is 68214999757. The reversal of 68214999707 is 70799941286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68214999707 - 2¹⁶ = 68214934171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68214999707.

It is not a weakly prime, because it can be changed into another prime (68214999757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34107499853 + 34107499854.

It is an arithmetic number, because the mean of its divisors is an integer number (34107499854).

Almost surely, 2^68214999707 is an apocalyptic number.

68214999707 is a deficient number, since it is larger than the sum of its proper divisors (1).

68214999707 is an equidigital number, since it uses as much as digits as its factorization.

68214999707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 68214999707 in words is "sixty-eight billion, two hundred fourteen million, nine hundred ninety-nine thousand, seven hundred seven".