544869491 has 2 divisors, whose sum is σ = 544869492. Its totient is φ = 544869490.

The previous prime is 544869439. The next prime is 544869551. The reversal of 544869491 is 194968445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544869491 is a prime.

It is not a weakly prime, because it can be changed into another prime (544869421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272434745 + 272434746.

It is an arithmetic number, because the mean of its divisors is an integer number (272434746).

Almost surely, 2^544869491 is an apocalyptic number.

544869491 is a deficient number, since it is larger than the sum of its proper divisors (1).

544869491 is an equidigital number, since it uses as much as digits as its factorization.

544869491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 544869491 is about 23342.4396968269. The cubic root of 544869491 is about 816.7657107328.

The spelling of 544869491 in words is "five hundred forty-four million, eight hundred sixty-nine thousand, four hundred ninety-one".