544302378817 has 2 divisors, whose sum is σ = 544302378818. Its totient is φ = 544302378816.

The previous prime is 544302378793. The next prime is 544302378859. The reversal of 544302378817 is 718873203445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376346667841 + 167955710976 = 613471^2 + 409824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544302378817 is a prime.

It is not a weakly prime, because it can be changed into another prime (544302378887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272151189408 + 272151189409.

It is an arithmetic number, because the mean of its divisors is an integer number (272151189409).

Almost surely, 2^544302378817 is an apocalyptic number.

It is an amenable number.

544302378817 is a deficient number, since it is larger than the sum of its proper divisors (1).

544302378817 is an equidigital number, since it uses as much as digits as its factorization.

544302378817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 544302378817 in words is "five hundred forty-four billion, three hundred two million, three hundred seventy-eight thousand, eight hundred seventeen".