2928615782369 has 2 divisors, whose sum is σ = 2928615782370. Its totient is φ = 2928615782368.

The previous prime is 2928615782363. The next prime is 2928615782401. The reversal of 2928615782369 is 9632875168292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1772990782369 + 1155625000000 = 1331537^2 + 1075000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928615782369 - 2²⁴ = 2928599005153 is a prime.

It is a super-2 number, since 2×2928615782369² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2928615782299 and 2928615782308.

It is not a weakly prime, because it can be changed into another prime (2928615782363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464307891184 + 1464307891185.

It is an arithmetic number, because the mean of its divisors is an integer number (1464307891185).

Almost surely, 2^{2928615782369} is an apocalyptic number.

It is an amenable number.

2928615782369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928615782369 is an equidigital number, since it uses as much as digits as its factorization.

2928615782369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156764160, while the sum is 68.

The spelling of 2928615782369 in words is "two trillion, nine hundred twenty-eight billion, six hundred fifteen million, seven hundred eighty-two thousand, three hundred sixty-nine".