30808309069 has 4 divisors (see below), whose sum is σ = 32429799040. Its totient is φ = 29186819100.

The previous prime is 30808309061. The next prime is 30808309099. The reversal of 30808309069 is 96090380803.

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 30808309069 - 2³ = 30808309061 is a prime.

It is a super-2 number, since 2×30808309069² (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 (30808309061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810744957 + ... + 810744994.

It is an arithmetic number, because the mean of its divisors is an integer number (8107449760).

Almost surely, 2^30808309069 is an apocalyptic number.

It is an amenable number.

30808309069 is a deficient number, since it is larger than the sum of its proper divisors (1621489971).

30808309069 is a wasteful number, since it uses less digits than its factorization.

30808309069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621489970.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 30808309069 in words is "thirty billion, eight hundred eight million, three hundred nine thousand, sixty-nine".