68813750143 has 2 divisors, whose sum is σ = 68813750144. Its totient is φ = 68813750142.

The previous prime is 68813750129. The next prime is 68813750147. The reversal of 68813750143 is 34105731886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68813750143 - 2⁵ = 68813750111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68813750093 and 68813750102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68813750147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34406875071 + 34406875072.

It is an arithmetic number, because the mean of its divisors is an integer number (34406875072).

Almost surely, 2^68813750143 is an apocalyptic number.

68813750143 is a deficient number, since it is larger than the sum of its proper divisors (1).

68813750143 is an equidigital number, since it uses as much as digits as its factorization.

68813750143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 68813750143 in words is "sixty-eight billion, eight hundred thirteen million, seven hundred fifty thousand, one hundred forty-three".