2754717937681 has 2 divisors, whose sum is σ = 2754717937682. Its totient is φ = 2754717937680.

The previous prime is 2754717937663. The next prime is 2754717937717. The reversal of 2754717937681 is 1867397174572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689570480081 + 65147457600 = 1639991^2 + 255240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2754717937681 - 2¹³ = 2754717929489 is a prime.

It is a super-2 number, since 2×2754717937681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2754717937651) 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 as a sum of consecutive naturals, namely, 1377358968840 + 1377358968841.

It is an arithmetic number, because the mean of its divisors is an integer number (1377358968841).

Almost surely, 2^{2754717937681} is an apocalyptic number.

It is an amenable number.

2754717937681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2754717937681 is an equidigital number, since it uses as much as digits as its factorization.

2754717937681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124467840, while the sum is 67.

The spelling of 2754717937681 in words is "two trillion, seven hundred fifty-four billion, seven hundred seventeen million, nine hundred thirty-seven thousand, six hundred eighty-one".