8979353854249 has 3 divisors (see below), whose sum is σ = 8979356850807. Its totient is φ = 8979350857692.

The previous prime is 8979353854201. The next prime is 8979353854297. The reversal of 8979353854249 is 9424583539798.

The square root of 8979353854249 is 2996557.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (8979353854201) and next prime (8979353854297).

It can be written as a sum of positive squares in only one way, i.e., 8977004707225 + 2349147024 = 2996165^2 + 48468^2 .

It is not a de Polignac number, because 8979353854249 - 2¹⁵ = 8979353821481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8979353854049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1498279 + ... + 4494835.

It is an arithmetic number, because the mean of its divisors is an integer number (2993118950269).

Almost surely, 2^{8979353854249} is an apocalyptic number.

8979353854249 is the 2996557-th square number.

8979353854249 is the 1498279-th centered octagonal number.

It is an amenable number.

8979353854249 is a deficient number, since it is larger than the sum of its proper divisors (2996558).

8979353854249 is an frugal number, since it uses more digits than its factorization.

8979353854249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5993114 (or 2996557 counting only the distinct ones).

The product of its digits is 2351462400, while the sum is 76.

The spelling of 8979353854249 in words is "eight trillion, nine hundred seventy-nine billion, three hundred fifty-three million, eight hundred fifty-four thousand, two hundred forty-nine".