2765164615673 has 2 divisors, whose sum is σ = 2765164615674. Its totient is φ = 2765164615672.

The previous prime is 2765164615663. The next prime is 2765164615699. The reversal of 2765164615673 is 3765164615672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2212799052304 + 552365563369 = 1487548^2 + 743213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765164615673 - 2⁸ = 2765164615417 is a prime.

It is a super-4 number, since 4×2765164615673⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2765164615643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382582307836 + 1382582307837.

It is an arithmetic number, because the mean of its divisors is an integer number (1382582307837).

Almost surely, 2^{2765164615673} is an apocalyptic number.

It is an amenable number.

2765164615673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765164615673 is an equidigital number, since it uses as much as digits as its factorization.

2765164615673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 59.

Subtracting 2765164615673 from its reverse (3765164615672), we obtain a palindrome (999999999999).

The spelling of 2765164615673 in words is "two trillion, seven hundred sixty-five billion, one hundred sixty-four million, six hundred fifteen thousand, six hundred seventy-three".