30065628065 has 24 divisors (see below), whose sum is σ = 40007848104. Its totient is φ = 21672358400.

The previous prime is 30065628013. The next prime is 30065628071. The reversal of 30065628065 is 56082656003.

It can be written as a sum of positive squares in 4 ways, for example, as 498137761 + 29567490304 = 22319^2 + 171952^2 .

It is not a de Polignac number, because 30065628065 - 2²⁴ = 30048850849 is a prime.

It is a super-4 number, since 4×30065628065⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151526 + ... + 288255.

It is an arithmetic number, because the mean of its divisors is an integer number (1666993671).

Almost surely, 2^30065628065 is an apocalyptic number.

It is an amenable number.

30065628065 is a deficient number, since it is larger than the sum of its proper divisors (9942220039).

30065628065 is a wasteful number, since it uses less digits than its factorization.

30065628065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439921 (or 439910 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 30065628065 in words is "thirty billion, sixty-five million, six hundred twenty-eight thousand, sixty-five".