30004200665 has 4 divisors (see below), whose sum is σ = 36005040804. Its totient is φ = 24003360528.

The previous prime is 30004200659. The next prime is 30004200727. The reversal of 30004200665 is 56600240003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16904940361 + 13099260304 = 130019^2 + 114452^2 .

It is a cyclic number.

It is not a de Polignac number, because 30004200665 - 2¹⁴ = 30004184281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000420062 + ... + 3000420071.

It is an arithmetic number, because the mean of its divisors is an integer number (9001260201).

Almost surely, 2^30004200665 is an apocalyptic number.

It is an amenable number.

30004200665 is a deficient number, since it is larger than the sum of its proper divisors (6000840139).

30004200665 is an equidigital number, since it uses as much as digits as its factorization.

30004200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000840138.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 30004200665 its reverse (56600240003), we get a palindrome (86604440668).

The spelling of 30004200665 in words is "thirty billion, four million, two hundred thousand, six hundred sixty-five".