30028384369 has 9 divisors (see below), whose sum is σ = 30257286283. Its totient is φ = 29801205112.

The previous prime is 30028384313. The next prime is 30028384387. The reversal of 30028384369 is 96348382003.

The square root of 30028384369 is 173287.

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., 3518031969 + 26510352400 = 59313^2 + 162820^2 .

It is not a de Polignac number, because 30028384369 - 2⁷ = 30028384241 is a prime.

It is a super-2 number, since 2×30028384369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30028384669) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25819182 + ... + 25820344.

Almost surely, 2^30028384369 is an apocalyptic number.

30028384369 is the 173287-th square number.

30028384369 is the 86644-th centered octagonal number.

It is an amenable number.

30028384369 is a deficient number, since it is larger than the sum of its proper divisors (228901914).

30028384369 is an frugal number, since it uses more digits than its factorization.

30028384369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 30028384369 in words is "thirty billion, twenty-eight million, three hundred eighty-four thousand, three hundred sixty-nine".