2882928930561 has 9 divisors (see below), whose sum is σ = 4164238035139. Its totient is φ = 1921949224536.

The previous prime is 2882928930463. The next prime is 2882928930569. The reversal of 2882928930561 is 1650398292882.

The square root of 2882928930561 is 1697919.

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

2882928930561 is a `hidden beast` number, since 28 + 8 + 29 + 28 + 9 + 3 + 0 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2606206640625 + 276722289936 = 1614375^2 + 526044^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2882928930561 - 2¹⁷ = 2882928799489 is a prime.

It is a super-2 number, since 2×2882928930561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2882928930569) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4810771 + ... + 5376743.

Almost surely, 2^{2882928930561} is an apocalyptic number.

2882928930561 is the 1697919-th square number.

2882928930561 is the 848960-th centered octagonal number.

It is an amenable number.

2882928930561 is a deficient number, since it is larger than the sum of its proper divisors (1281309104578).

2882928930561 is an frugal number, since it uses more digits than its factorization.

2882928930561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131952 (or 565976 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 2882928930561 in words is "two trillion, eight hundred eighty-two billion, nine hundred twenty-eight million, nine hundred thirty thousand, five hundred sixty-one".