6365545344377 has 2 divisors, whose sum is σ = 6365545344378. Its totient is φ = 6365545344376.

The previous prime is 6365545344359. The next prime is 6365545344437. The reversal of 6365545344377 is 7734435455636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5512441883881 + 853103460496 = 2347859^2 + 923636^2 .

It is a cyclic number.

It is not a de Polignac number, because 6365545344377 - 2²⁰ = 6365544295801 is a prime.

It is not a weakly prime, because it can be changed into another prime (6365545344337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182772672188 + 3182772672189.

It is an arithmetic number, because the mean of its divisors is an integer number (3182772672189).

Almost surely, 2^{6365545344377} is an apocalyptic number.

It is an amenable number.

6365545344377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6365545344377 is an equidigital number, since it uses as much as digits as its factorization.

6365545344377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024000, while the sum is 62.

The spelling of 6365545344377 in words is "six trillion, three hundred sixty-five billion, five hundred forty-five million, three hundred forty-four thousand, three hundred seventy-seven".