39368768290979 has 4 divisors (see below), whose sum is σ = 40284321041976. Its totient is φ = 38453215539984.

The previous prime is 39368768290961. The next prime is 39368768290993. The reversal of 39368768290979 is 97909286786393.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39368768290979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39368768290979.

It is not an unprimeable number, because it can be changed into a prime (39368768290679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457776375434 + ... + 457776375519.

It is an arithmetic number, because the mean of its divisors is an integer number (10071080260494).

Almost surely, 2^{39368768290979} is an apocalyptic number.

39368768290979 is a deficient number, since it is larger than the sum of its proper divisors (915552750997).

39368768290979 is an equidigital number, since it uses as much as digits as its factorization.

39368768290979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915552750996.

The product of its (nonzero) digits is 13332791808, while the sum is 86.

The spelling of 39368768290979 in words is "thirty-nine trillion, three hundred sixty-eight billion, seven hundred sixty-eight million, two hundred ninety thousand, nine hundred seventy-nine".