68454829 has 2 divisors, whose sum is σ = 68454830. Its totient is φ = 68454828.

The previous prime is 68454817. The next prime is 68454887. The reversal of 68454829 is 92845486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 28068804 = 6355^2 + 5298^2 .

It is a cyclic number.

It is not a de Polignac number, because 68454829 - 2⁵ = 68454797 is a prime.

It is a super-2 number, since 2×68454829² = 9372127226838482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68454899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34227414 + 34227415.

It is an arithmetic number, because the mean of its divisors is an integer number (34227415).

Almost surely, 2^68454829 is an apocalyptic number.

It is an amenable number.

68454829 is a deficient number, since it is larger than the sum of its proper divisors (1).

68454829 is an equidigital number, since it uses as much as digits as its factorization.

68454829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 46.

The square root of 68454829 is about 8273.7433486905. The cubic root of 68454829 is about 409.0735157573.

The spelling of 68454829 in words is "sixty-eight million, four hundred fifty-four thousand, eight hundred twenty-nine".