67945692707 has 2 divisors, whose sum is σ = 67945692708. Its totient is φ = 67945692706.

The previous prime is 67945692629. The next prime is 67945692713. The reversal of 67945692707 is 70729654976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67945692707 - 2¹² = 67945688611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67945692707.

It is not a weakly prime, because it can be changed into another prime (67945692407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33972846353 + 33972846354.

It is an arithmetic number, because the mean of its divisors is an integer number (33972846354).

Almost surely, 2^67945692707 is an apocalyptic number.

67945692707 is a deficient number, since it is larger than the sum of its proper divisors (1).

67945692707 is an equidigital number, since it uses as much as digits as its factorization.

67945692707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 62.

The spelling of 67945692707 in words is "sixty-seven billion, nine hundred forty-five million, six hundred ninety-two thousand, seven hundred seven".