68306430039 has 16 divisors (see below), whose sum is σ = 91651460352. Its totient is φ = 45249617088.

The previous prime is 68306430029. The next prime is 68306430209. The reversal of 68306430039 is 93003460386.

It is not a de Polignac number, because 68306430039 - 2¹³ = 68306421847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68306430019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3499822 + ... + 3519284.

It is an arithmetic number, because the mean of its divisors is an integer number (5728216272).

Almost surely, 2^68306430039 is an apocalyptic number.

68306430039 is a deficient number, since it is larger than the sum of its proper divisors (23345030313).

68306430039 is a wasteful number, since it uses less digits than its factorization.

68306430039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26806.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 68306430039 in words is "sixty-eight billion, three hundred six million, four hundred thirty thousand, thirty-nine".