30155428069 has 8 divisors (see below), whose sum is σ = 32932472832. Its totient is φ = 27443725680.

The previous prime is 30155428057. The next prime is 30155428099. The reversal of 30155428069 is 96082455103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30155428069 - 2¹⁵ = 30155395301 is a prime.

It is a super-2 number, since 2×30155428069² (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 (30155428049) 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 7 ways as a sum of consecutive naturals, for example, 16334629 + ... + 16336474.

It is an arithmetic number, because the mean of its divisors is an integer number (4116559104).

Almost surely, 2^30155428069 is an apocalyptic number.

It is an amenable number.

30155428069 is a deficient number, since it is larger than the sum of its proper divisors (2777044763).

30155428069 is a wasteful number, since it uses less digits than its factorization.

30155428069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32671187.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 30155428069 in words is "thirty billion, one hundred fifty-five million, four hundred twenty-eight thousand, sixty-nine".