544947140497 has 2 divisors, whose sum is σ = 544947140498. Its totient is φ = 544947140496.

The previous prime is 544947140489. The next prime is 544947140539. The reversal of 544947140497 is 794041749445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493546995841 + 51400144656 = 702529^2 + 226716^2 .

It is a cyclic number.

It is not a de Polignac number, because 544947140497 - 2³ = 544947140489 is a prime.

It is not a weakly prime, because it can be changed into another prime (544947140407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272473570248 + 272473570249.

It is an arithmetic number, because the mean of its divisors is an integer number (272473570249).

Almost surely, 2^544947140497 is an apocalyptic number.

It is an amenable number.

544947140497 is a deficient number, since it is larger than the sum of its proper divisors (1).

544947140497 is an equidigital number, since it uses as much as digits as its factorization.

544947140497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 544947140497 in words is "five hundred forty-four billion, nine hundred forty-seven million, one hundred forty thousand, four hundred ninety-seven".