30280898853 has 6 divisors (see below), whose sum is σ = 43739076134. Its totient is φ = 20187265896.

The previous prime is 30280898849. The next prime is 30280898863. The reversal of 30280898853 is 35889808203.

It can be written as a sum of positive squares in only one way, i.e., 20585936484 + 9694962369 = 143478^2 + 98463^2 .

It is not a de Polignac number, because 30280898853 - 2² = 30280898849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30280898853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30280898833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682272150 + ... + 1682272167.

Almost surely, 2^30280898853 is an apocalyptic number.

It is an amenable number.

30280898853 is a deficient number, since it is larger than the sum of its proper divisors (13458177281).

30280898853 is a wasteful number, since it uses less digits than its factorization.

30280898853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364544323 (or 3364544320 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 30280898853 in words is "thirty billion, two hundred eighty million, eight hundred ninety-eight thousand, eight hundred fifty-three".