2270979678529 has 3 divisors (see below), whose sum is σ = 2270981185507. Its totient is φ = 2270978171552.

The previous prime is 2270979678509. The next prime is 2270979678533. The reversal of 2270979678529 is 9258769790722.

The square root of 2270979678529 is 1506977.

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 can be written as a sum of positive squares in only one way, i.e., 310845276225 + 1960134402304 = 557535^2 + 1400048^2 .

It is not a de Polignac number, because 2270979678529 - 2¹⁵ = 2270979645761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2270979678509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 753489 + ... + 2260465.

Almost surely, 2^{2270979678529} is an apocalyptic number.

2270979678529 is the 1506977-th square number.

2270979678529 is the 753489-th centered octagonal number.

It is an amenable number.

2270979678529 is a deficient number, since it is larger than the sum of its proper divisors (1506978).

2270979678529 is an frugal number, since it uses more digits than its factorization.

2270979678529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013954 (or 1506977 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 73.

The spelling of 2270979678529 in words is "two trillion, two hundred seventy billion, nine hundred seventy-nine million, six hundred seventy-eight thousand, five hundred twenty-nine".