68424851215073 has 2 divisors, whose sum is σ = 68424851215074. Its totient is φ = 68424851215072.

The previous prime is 68424851215027. The next prime is 68424851215109. The reversal of 68424851215073 is 37051215842486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45609870306064 + 22814980909009 = 6753508^2 + 4776503^2 .

It is a cyclic number.

It is not a de Polignac number, because 68424851215073 - 2¹⁶ = 68424851149537 is a prime.

It is a super-3 number, since 3×68424851215073³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (68424851215003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34212425607536 + 34212425607537.

It is an arithmetic number, because the mean of its divisors is an integer number (34212425607537).

Almost surely, 2^{68424851215073} is an apocalyptic number.

It is an amenable number.

68424851215073 is a deficient number, since it is larger than the sum of its proper divisors (1).

68424851215073 is an equidigital number, since it uses as much as digits as its factorization.

68424851215073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 68424851215073 in words is "sixty-eight trillion, four hundred twenty-four billion, eight hundred fifty-one million, two hundred fifteen thousand, seventy-three".