67856612143 has 2 divisors, whose sum is σ = 67856612144. Its totient is φ = 67856612142.

The previous prime is 67856612137. The next prime is 67856612149. The reversal of 67856612143 is 34121665876.

It is a balanced prime because it is at equal distance from previous prime (67856612137) and next prime (67856612149).

It is a cyclic number.

It is not a de Polignac number, because 67856612143 - 2⁵ = 67856612111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67856612149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33928306071 + 33928306072.

It is an arithmetic number, because the mean of its divisors is an integer number (33928306072).

Almost surely, 2^67856612143 is an apocalyptic number.

67856612143 is a deficient number, since it is larger than the sum of its proper divisors (1).

67856612143 is an equidigital number, since it uses as much as digits as its factorization.

67856612143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The spelling of 67856612143 in words is "sixty-seven billion, eight hundred fifty-six million, six hundred twelve thousand, one hundred forty-three".