540917664769 has 2 divisors, whose sum is σ = 540917664770. Its totient is φ = 540917664768.

The previous prime is 540917664733. The next prime is 540917664773. The reversal of 540917664769 is 967466719045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518958870544 + 21958794225 = 720388^2 + 148185^2 .

It is a cyclic number.

It is not a de Polignac number, because 540917664769 - 2¹¹ = 540917662721 is a prime.

It is a super-2 number, since 2×540917664769² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540917664769.

It is not a weakly prime, because it can be changed into another prime (540917664719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270458832384 + 270458832385.

It is an arithmetic number, because the mean of its divisors is an integer number (270458832385).

Almost surely, 2^540917664769 is an apocalyptic number.

It is an amenable number.

540917664769 is a deficient number, since it is larger than the sum of its proper divisors (1).

540917664769 is an equidigital number, since it uses as much as digits as its factorization.

540917664769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 540917664769 in words is "five hundred forty billion, nine hundred seventeen million, six hundred sixty-four thousand, seven hundred sixty-nine".