549665586492 has 48 divisors (see below), whose sum is σ = 1412224958592. Its totient is φ = 165008639680.

The previous prime is 549665586467. The next prime is 549665586493. The reversal of 549665586492 is 294685566945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549665586493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19444443 + ... + 19472690.

It is an arithmetic number, because the mean of its divisors is an integer number (29421353304).

Almost surely, 2^549665586492 is an apocalyptic number.

It is an amenable number.

549665586492 is an abundant number, since it is smaller than the sum of its proper divisors (862559372100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549665586492 is a wasteful number, since it uses less digits than its factorization.

549665586492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38917258 (or 38917256 counting only the distinct ones).

The product of its digits is 559872000, while the sum is 69.

The spelling of 549665586492 in words is "five hundred forty-nine billion, six hundred sixty-five million, five hundred eighty-six thousand, four hundred ninety-two".