544163997739 has 2 divisors, whose sum is σ = 544163997740. Its totient is φ = 544163997738.

The previous prime is 544163997721. The next prime is 544163997761. The reversal of 544163997739 is 937799361445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 544163997739 - 2²³ = 544155609131 is a prime.

It is a super-2 number, since 2×544163997739² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (544163997709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272081998869 + 272081998870.

It is an arithmetic number, because the mean of its divisors is an integer number (272081998870).

Almost surely, 2^544163997739 is an apocalyptic number.

544163997739 is a deficient number, since it is larger than the sum of its proper divisors (1).

544163997739 is an equidigital number, since it uses as much as digits as its factorization.

544163997739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154314720, while the sum is 67.

The spelling of 544163997739 in words is "five hundred forty-four billion, one hundred sixty-three million, nine hundred ninety-seven thousand, seven hundred thirty-nine".