662200455049 has 27 divisors (see below), whose sum is σ = 778693744263. Its totient is φ = 561492330000.

The previous prime is 662200455043. The next prime is 662200455073. The reversal of 662200455049 is 940554002266.

The square root of 662200455049 is 813757.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 636234355449 + 25966099600 = 797643^2 + 161140^2 .

It is not a de Polignac number, because 662200455049 - 2⁵ = 662200455017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662200454996 and 662200455014.

It is not an unprimeable number, because it can be changed into a prime (662200455043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 575325624 + ... + 575326774.

Almost surely, 2^662200455049 is an apocalyptic number.

662200455049 is the 813757-th square number.

662200455049 is the 406879-th centered octagonal number.

It is an amenable number.

662200455049 is a deficient number, since it is larger than the sum of its proper divisors (116493289214).

662200455049 is an frugal number, since it uses more digits than its factorization.

662200455049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

It can be divided in two parts, 662200 and 455049, that added together give a square (1117249 = 1057²).

The spelling of 662200455049 in words is "six hundred sixty-two billion, two hundred million, four hundred fifty-five thousand, forty-nine".