544017491 has 2 divisors, whose sum is σ = 544017492. Its totient is φ = 544017490.

The previous prime is 544017451. The next prime is 544017497. The reversal of 544017491 is 194710445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544017491 - 2⁶ = 544017427 is a prime.

It is not a weakly prime, because it can be changed into another prime (544017497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272008745 + 272008746.

It is an arithmetic number, because the mean of its divisors is an integer number (272008746).

Almost surely, 2^544017491 is an apocalyptic number.

544017491 is a deficient number, since it is larger than the sum of its proper divisors (1).

544017491 is an equidigital number, since it uses as much as digits as its factorization.

544017491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 544017491 is about 23324.1825365864. The cubic root of 544017491 is about 816.3397693374.

The spelling of 544017491 in words is "five hundred forty-four million, seventeen thousand, four hundred ninety-one".