30864745509 has 16 divisors (see below), whose sum is σ = 44925717312. Its totient is φ = 18733500288.

The previous prime is 30864745459. The next prime is 30864745519. The reversal of 30864745509 is 90554746803.

It is not a de Polignac number, because 30864745509 - 2²⁰ = 30863696933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30864745519) 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 15 ways as a sum of consecutive naturals, for example, 5417727 + ... + 5423420.

It is an arithmetic number, because the mean of its divisors is an integer number (2807857332).

Almost surely, 2^30864745509 is an apocalyptic number.

30864745509 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30864745509 is a deficient number, since it is larger than the sum of its proper divisors (14060971803).

30864745509 is a wasteful number, since it uses less digits than its factorization.

30864745509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841236.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 30864745509 in words is "thirty billion, eight hundred sixty-four million, seven hundred forty-five thousand, five hundred nine".