3000343661 has 4 divisors (see below), whose sum is σ = 3428964192. Its totient is φ = 2571723132.

The previous prime is 3000343639. The next prime is 3000343663. The reversal of 3000343661 is 1663430003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1663430003 = 443 ⋅3754921.

It is a cyclic number.

It is not a de Polignac number, because 3000343661 - 2²² = 2996149357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3000343661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000343663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214310255 + ... + 214310268.

It is an arithmetic number, because the mean of its divisors is an integer number (857241048).

Almost surely, 2^3000343661 is an apocalyptic number.

It is an amenable number.

3000343661 is a deficient number, since it is larger than the sum of its proper divisors (428620531).

3000343661 is an equidigital number, since it uses as much as digits as its factorization.

3000343661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428620530.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3000343661 is about 54775.3928420418. The cubic root of 3000343661 is about 1442.3046398635.

Adding to 3000343661 its reverse (1663430003), we get a palindrome (4663773664).

The spelling of 3000343661 in words is "three billion, three hundred forty-three thousand, six hundred sixty-one".