68049029 has 2 divisors, whose sum is σ = 68049030. Its totient is φ = 68049028.

The previous prime is 68048987. The next prime is 68049041. The reversal of 68049029 is 92094086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53684929 + 14364100 = 7327^2 + 3790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68049029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68048983 and 68049001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68049229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34024514 + 34024515.

It is an arithmetic number, because the mean of its divisors is an integer number (34024515).

Almost surely, 2^68049029 is an apocalyptic number.

It is an amenable number.

68049029 is a deficient number, since it is larger than the sum of its proper divisors (1).

68049029 is an equidigital number, since it uses as much as digits as its factorization.

68049029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68049029 is about 8249.1835353567. The cubic root of 68049029 is about 408.2635844030.

The spelling of 68049029 in words is "sixty-eight million, forty-nine thousand, twenty-nine".