3009729647556 has 48 divisors (see below), whose sum is σ = 7803138705600. Its totient is φ = 1003225741056.

The previous prime is 3009729647471. The next prime is 3009729647567. The reversal of 3009729647556 is 6557469279003.

3009729647556 is a `hidden beast` number, since 3 + 0 + 0 + 9 + 72 + 9 + 6 + 4 + 7 + 556 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3009729647493 and 3009729647502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6975691 + ... + 7394573.

It is an arithmetic number, because the mean of its divisors is an integer number (162565389700).

Almost surely, 2^{3009729647556} is an apocalyptic number.

3009729647556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3009729647556 is an abundant number, since it is smaller than the sum of its proper divisors (4793409058044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3009729647556 is a wasteful number, since it uses less digits than its factorization.

3009729647556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485425 (or 485417 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 63.

The spelling of 3009729647556 in words is "three trillion, nine billion, seven hundred twenty-nine million, six hundred forty-seven thousand, five hundred fifty-six".