544163997919 has 2 divisors, whose sum is σ = 544163997920. Its totient is φ = 544163997918.

The previous prime is 544163997899. The next prime is 544163997947. The reversal of 544163997919 is 919799361445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544163997919 - 2⁹ = 544163997407 is a prime.

It is a super-2 number, since 2×544163997919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544163997989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272081998959 + 272081998960.

It is an arithmetic number, because the mean of its divisors is an integer number (272081998960).

Almost surely, 2^544163997919 is an apocalyptic number.

544163997919 is a deficient number, since it is larger than the sum of its proper divisors (1).

544163997919 is an equidigital number, since it uses as much as digits as its factorization.

544163997919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66134880, while the sum is 67.

The spelling of 544163997919 in words is "five hundred forty-four billion, one hundred sixty-three million, nine hundred ninety-seven thousand, nine hundred nineteen".