4708979691989 has 4 divisors (see below), whose sum is σ = 4722319578156. Its totient is φ = 4695639805824.

The previous prime is 4708979691907. The next prime is 4708979692013. The reversal of 4708979691989 is 9891969798074.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3494873213764 + 1214106478225 = 1869458^2 + 1101865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4708979691989 is a prime.

It is a super-2 number, since 2×4708979691989² (a number of 26 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 4708979691989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4708979691589) 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, 6669942554 + ... + 6669943259.

It is an arithmetic number, because the mean of its divisors is an integer number (1180579894539).

Almost surely, 2^{4708979691989} is an apocalyptic number.

It is an amenable number.

4708979691989 is a deficient number, since it is larger than the sum of its proper divisors (13339886167).

4708979691989 is a wasteful number, since it uses less digits than its factorization.

4708979691989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13339886166.

The product of its (nonzero) digits is 4444263936, while the sum is 86.

The spelling of 4708979691989 in words is "four trillion, seven hundred eight billion, nine hundred seventy-nine million, six hundred ninety-one thousand, nine hundred eighty-nine".