30384812669 has 6 divisors (see below), whose sum is σ = 31433535930. Its totient is φ = 29336154176.

The previous prime is 30384812581. The next prime is 30384812671. The reversal of 30384812669 is 96621848303.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 848265625 + 29536547044 = 29125^2 + 171862^2 .

It is not a de Polignac number, because 30384812669 - 2⁸ = 30384812413 is a prime.

It is a super-2 number, since 2×30384812669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30384812569) 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 5 ways as a sum of consecutive naturals, for example, 922517 + ... + 954885.

It is an arithmetic number, because the mean of its divisors is an integer number (5238922655).

Almost surely, 2^30384812669 is an apocalyptic number.

It is an amenable number.

30384812669 is a deficient number, since it is larger than the sum of its proper divisors (1048723261).

30384812669 is an frugal number, since it uses more digits than its factorization.

30384812669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64767 (or 32398 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 30384812669 in words is "thirty billion, three hundred eighty-four million, eight hundred twelve thousand, six hundred sixty-nine".