544189145873 has 2 divisors, whose sum is σ = 544189145874. Its totient is φ = 544189145872.

The previous prime is 544189145821. The next prime is 544189145891. The reversal of 544189145873 is 378541981445.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335903703184 + 208285442689 = 579572^2 + 456383^2 .

It is a cyclic number.

It is not a de Polignac number, because 544189145873 - 2³⁸ = 269311238929 is a prime.

It is a super-2 number, since 2×544189145873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (544189145273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272094572936 + 272094572937.

It is an arithmetic number, because the mean of its divisors is an integer number (272094572937).

Almost surely, 2^544189145873 is an apocalyptic number.

It is an amenable number.

544189145873 is a deficient number, since it is larger than the sum of its proper divisors (1).

544189145873 is an equidigital number, since it uses as much as digits as its factorization.

544189145873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 59.

The spelling of 544189145873 in words is "five hundred forty-four billion, one hundred eighty-nine million, one hundred forty-five thousand, eight hundred seventy-three".