549873565770 has 64 divisors (see below), whose sum is σ = 1328469724800. Its totient is φ = 145661042688.

The previous prime is 549873565723. The next prime is 549873565777. The reversal of 549873565770 is 77565378945.

It is a super-2 number, since 2×549873565770² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (549873565777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2967774 + ... + 3147606.

It is an arithmetic number, because the mean of its divisors is an integer number (20757339450).

Almost surely, 2^549873565770 is an apocalyptic number.

549873565770 is an abundant number, since it is smaller than the sum of its proper divisors (778596159030).

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

549873565770 is a wasteful number, since it uses less digits than its factorization.

549873565770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180519.

The product of its (nonzero) digits is 222264000, while the sum is 66.

The spelling of 549873565770 in words is "five hundred forty-nine billion, eight hundred seventy-three million, five hundred sixty-five thousand, seven hundred seventy".