3004238729561 has 8 divisors (see below), whose sum is σ = 3007786591680. Its totient is φ = 3000691198512.

The previous prime is 3004238729551. The next prime is 3004238729593. The reversal of 3004238729561 is 1659278324003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3004238729561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3004238729501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21323996 + ... + 21464418.

It is an arithmetic number, because the mean of its divisors is an integer number (375973323960).

It is a 1-persistent number, because it is pandigital, but 2⋅3004238729561 = 6008477459122 is not.

Almost surely, 2^{3004238729561} is an apocalyptic number.

It is an amenable number.

3004238729561 is a deficient number, since it is larger than the sum of its proper divisors (3547862119).

3004238729561 is a wasteful number, since it uses less digits than its factorization.

3004238729561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165535.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 3004238729561 in words is "three trillion, four billion, two hundred thirty-eight million, seven hundred twenty-nine thousand, five hundred sixty-one".