68864084150461 has 2 divisors, whose sum is σ = 68864084150462. Its totient is φ = 68864084150460.

The previous prime is 68864084150387. The next prime is 68864084150479. The reversal of 68864084150461 is 16405148046886.

68864084150461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65450203416900 + 3413880733561 = 8090130^2 + 1847669^2 .

It is a cyclic number.

It is not a de Polignac number, because 68864084150461 - 2¹¹ = 68864084148413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68864084150461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68864084157461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34432042075230 + 34432042075231.

It is an arithmetic number, because the mean of its divisors is an integer number (34432042075231).

Almost surely, 2^{68864084150461} is an apocalyptic number.

It is an amenable number.

68864084150461 is a deficient number, since it is larger than the sum of its proper divisors (1).

68864084150461 is an equidigital number, since it uses as much as digits as its factorization.

68864084150461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 68864084150461 in words is "sixty-eight trillion, eight hundred sixty-four billion, eighty-four million, one hundred fifty thousand, four hundred sixty-one".