979340949043979 has 4 divisors (see below), whose sum is σ = 983438609918880. Its totient is φ = 975243288169080.

The previous prime is 979340949043949. The next prime is 979340949044011.

979340949043979 is nontrivially palindromic in base 10.

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-979340949043979 is a prime.

It is a super-2 number, since 2×979340949043979² (a number of 31 digits) contains 22 as substring.

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 979340949043979.

It is not an unprimeable number, because it can be changed into a prime (979340949043909) 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, 2048830437092 + ... + 2048830437569.

It is an arithmetic number, because the mean of its divisors is an integer number (245859652479720).

Almost surely, 2^{979340949043979} is an apocalyptic number.

979340949043979 is a deficient number, since it is larger than the sum of its proper divisors (4097660874901).

979340949043979 is a wasteful number, since it uses less digits than its factorization.

979340949043979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097660874900.

The product of its (nonzero) digits is 14999390784, while the sum is 86.

The spelling of 979340949043979 in words is "nine hundred seventy-nine trillion, three hundred forty billion, nine hundred forty-nine million, forty-three thousand, nine hundred seventy-nine".