544189145807 has 2 divisors, whose sum is σ = 544189145808. Its totient is φ = 544189145806.

The previous prime is 544189145749. The next prime is 544189145821. The reversal of 544189145807 is 708541981445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544189145807 is a prime.

It is a super-2 number, since 2×544189145807² (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 (544189145897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272094572903 + 272094572904.

It is an arithmetic number, because the mean of its divisors is an integer number (272094572904).

Almost surely, 2^544189145807 is an apocalyptic number.

544189145807 is a deficient number, since it is larger than the sum of its proper divisors (1).

544189145807 is an equidigital number, since it uses as much as digits as its factorization.

544189145807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 544189145807 in words is "five hundred forty-four billion, one hundred eighty-nine million, one hundred forty-five thousand, eight hundred seven".