2979183012961 has 3 divisors (see below), whose sum is σ = 2979184738993. Its totient is φ = 2979181286930.

The previous prime is 2979183012959. The next prime is 2979183012973. The reversal of 2979183012961 is 1692103819792.

The square root of 2979183012961 is 1726031.

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 not a de Polignac number, because 2979183012961 - 2¹ = 2979183012959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2979183012896 and 2979183012905.

It is not an unprimeable number, because it can be changed into a prime (2979183012161) 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 2 ways as a sum of consecutive naturals, for example, 863016 + ... + 2589046.

Almost surely, 2^{2979183012961} is an apocalyptic number.

2979183012961 is the 1726031-st square number.

2979183012961 is the 863016-th centered octagonal number.

It is an amenable number.

2979183012961 is a deficient number, since it is larger than the sum of its proper divisors (1726032).

2979183012961 is an frugal number, since it uses more digits than its factorization.

2979183012961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452062 (or 1726031 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 2979183012961 in words is "two trillion, nine hundred seventy-nine billion, one hundred eighty-three million, twelve thousand, nine hundred sixty-one".