5645506877519 has 2 divisors, whose sum is σ = 5645506877520. Its totient is φ = 5645506877518.

The previous prime is 5645506877489. The next prime is 5645506877609. The reversal of 5645506877519 is 9157786055465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5645506877519 - 2¹² = 5645506873423 is a prime.

It is a super-2 number, since 2×5645506877519² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5645509877519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822753438759 + 2822753438760.

It is an arithmetic number, because the mean of its divisors is an integer number (2822753438760).

Almost surely, 2^{5645506877519} is an apocalyptic number.

5645506877519 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645506877519 is an equidigital number, since it uses as much as digits as its factorization.

5645506877519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520000, while the sum is 68.

The spelling of 5645506877519 in words is "five trillion, six hundred forty-five billion, five hundred six million, eight hundred seventy-seven thousand, five hundred nineteen".