544145321597 has 2 divisors, whose sum is σ = 544145321598. Its totient is φ = 544145321596.

The previous prime is 544145321563. The next prime is 544145321623. The reversal of 544145321597 is 795123541445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472994560516 + 71150761081 = 687746^2 + 266741^2 .

It is a cyclic number.

It is not a de Polignac number, because 544145321597 - 2²⁴ = 544128544381 is a prime.

It is a super-3 number, since 3×544145321597³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544145320597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272072660798 + 272072660799.

It is an arithmetic number, because the mean of its divisors is an integer number (272072660799).

Almost surely, 2^544145321597 is an apocalyptic number.

It is an amenable number.

544145321597 is a deficient number, since it is larger than the sum of its proper divisors (1).

544145321597 is an equidigital number, since it uses as much as digits as its factorization.

544145321597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 50.

The spelling of 544145321597 in words is "five hundred forty-four billion, one hundred forty-five million, three hundred twenty-one thousand, five hundred ninety-seven".