68284957751 has 2 divisors, whose sum is σ = 68284957752. Its totient is φ = 68284957750.

The previous prime is 68284957729. The next prime is 68284957817. The reversal of 68284957751 is 15775948286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68284957751 - 2¹⁴ = 68284941367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68284957711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34142478875 + 34142478876.

It is an arithmetic number, because the mean of its divisors is an integer number (34142478876).

Almost surely, 2^68284957751 is an apocalyptic number.

68284957751 is a deficient number, since it is larger than the sum of its proper divisors (1).

68284957751 is an equidigital number, since it uses as much as digits as its factorization.

68284957751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 62.

The spelling of 68284957751 in words is "sixty-eight billion, two hundred eighty-four million, nine hundred fifty-seven thousand, seven hundred fifty-one".