549002868901 has 4 divisors (see below), whose sum is σ = 549004820652. Its totient is φ = 549000917152.

The previous prime is 549002868859. The next prime is 549002868913. The reversal of 549002868901 is 109868200945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18947522500 + 530055346401 = 137650^2 + 728049^2 .

It is a cyclic number.

It is not a de Polignac number, because 549002868901 - 2¹⁵ = 549002836133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549002868101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464686 + ... + 1146271.

It is an arithmetic number, because the mean of its divisors is an integer number (137251205163).

Almost surely, 2^549002868901 is an apocalyptic number.

It is an amenable number.

549002868901 is a deficient number, since it is larger than the sum of its proper divisors (1951751).

549002868901 is a wasteful number, since it uses less digits than its factorization.

549002868901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951750.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 549002868901 in words is "five hundred forty-nine billion, two million, eight hundred sixty-eight thousand, nine hundred one".