68443099 has 4 divisors (see below), whose sum is σ = 68690464. Its totient is φ = 68195736.

The previous prime is 68443097. The next prime is 68443189. The reversal of 68443099 is 99034486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68443099 - 2¹ = 68443097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68443093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123267 + ... + 123820.

It is an arithmetic number, because the mean of its divisors is an integer number (17172616).

Almost surely, 2^68443099 is an apocalyptic number.

68443099 is a deficient number, since it is larger than the sum of its proper divisors (247365).

68443099 is a wasteful number, since it uses less digits than its factorization.

68443099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247364.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 68443099 is about 8273.0344493420. The cubic root of 68443099 is about 409.0501489790.

The spelling of 68443099 in words is "sixty-eight million, four hundred forty-three thousand, ninety-nine".