549037433389 has 8 divisors (see below), whose sum is σ = 550695536768. Its totient is φ = 547379501760.

The previous prime is 549037433317. The next prime is 549037433423. The reversal of 549037433389 is 983334730945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549037433389 - 2²⁷ = 548903215661 is a prime.

It is a super-2 number, since 2×549037433389² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549037433689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9618844 + ... + 9675754.

It is an arithmetic number, because the mean of its divisors is an integer number (68836942096).

Almost surely, 2^549037433389 is an apocalyptic number.

It is an amenable number.

549037433389 is a deficient number, since it is larger than the sum of its proper divisors (1658103379).

549037433389 is a wasteful number, since it uses less digits than its factorization.

549037433389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85875.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 549037433389 in words is "five hundred forty-nine billion, thirty-seven million, four hundred thirty-three thousand, three hundred eighty-nine".