4540327178657 has 2 divisors, whose sum is σ = 4540327178658. Its totient is φ = 4540327178656.

The previous prime is 4540327178623. The next prime is 4540327178677. The reversal of 4540327178657 is 7568717230454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4346853877921 + 193473300736 = 2084911^2 + 439856^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540327178657 - 2¹⁸ = 4540326916513 is a prime.

It is a super-2 number, since 2×4540327178657² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540327178596 and 4540327178605.

It is not a weakly prime, because it can be changed into another prime (4540327178677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270163589328 + 2270163589329.

It is an arithmetic number, because the mean of its divisors is an integer number (2270163589329).

Almost surely, 2^{4540327178657} is an apocalyptic number.

It is an amenable number.

4540327178657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540327178657 is an equidigital number, since it uses as much as digits as its factorization.

4540327178657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 4540327178657 in words is "four trillion, five hundred forty billion, three hundred twenty-seven million, one hundred seventy-eight thousand, six hundred fifty-seven".