30028869253 has 4 divisors (see below), whose sum is σ = 31334472288. Its totient is φ = 28723266220.

The previous prime is 30028869239. The next prime is 30028869259. The reversal of 30028869253 is 35296882003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30028869253 - 2²¹ = 30026772101 is a prime.

It is a super-2 number, since 2×30028869253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028869259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652801483 + ... + 652801528.

It is an arithmetic number, because the mean of its divisors is an integer number (7833618072).

Almost surely, 2^30028869253 is an apocalyptic number.

It is an amenable number.

30028869253 is a deficient number, since it is larger than the sum of its proper divisors (1305603035).

30028869253 is a wasteful number, since it uses less digits than its factorization.

30028869253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305603034.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 30028869253 in words is "thirty billion, twenty-eight million, eight hundred sixty-nine thousand, two hundred fifty-three".