30553221061989 has 6 divisors (see below), whose sum is σ = 44132430422886. Its totient is φ = 20368814041320.

The previous prime is 30553221061967. The next prime is 30553221062009. The reversal of 30553221061989 is 98916012235503.

30553221061989 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 3 + 2 + 2 + 10 + 619 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19339395884964 + 11213825177025 = 4397658^2 + 3348705^2 .

It is not a de Polignac number, because 30553221061989 - 2¹¹ = 30553221059941 is a prime.

It is a super-2 number, since 2×30553221061989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30553221061939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697401170102 + ... + 1697401170119.

It is an arithmetic number, because the mean of its divisors is an integer number (7355405070481).

Almost surely, 2^{30553221061989} is an apocalyptic number.

It is an amenable number.

30553221061989 is a deficient number, since it is larger than the sum of its proper divisors (13579209360897).

30553221061989 is a wasteful number, since it uses less digits than its factorization.

30553221061989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394802340227 (or 3394802340224 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 30553221061989 in words is "thirty trillion, five hundred fifty-three billion, two hundred twenty-one million, sixty-one thousand, nine hundred eighty-nine".