4019008549 has 2 divisors, whose sum is σ = 4019008550. Its totient is φ = 4019008548.

The previous prime is 4019008517. The next prime is 4019008583. The reversal of 4019008549 is 9458009104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4016390625 + 2617924 = 63375^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 4019008549 - 2⁵ = 4019008517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4019008589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009504274 + 2009504275.

It is an arithmetic number, because the mean of its divisors is an integer number (2009504275).

Almost surely, 2^4019008549 is an apocalyptic number.

It is an amenable number.

4019008549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4019008549 is an equidigital number, since it uses as much as digits as its factorization.

4019008549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 4019008549 is about 63395.6508681786. The cubic root of 4019008549 is about 1589.9115952324.

The spelling of 4019008549 in words is "four billion, nineteen million, eight thousand, five hundred forty-nine".