305455045204009 has 4 divisors (see below), whose sum is σ = 305591591940804. Its totient is φ = 305318498467216.

The previous prime is 305455045204007. The next prime is 305455045204021. The reversal of 305455045204009 is 900402540554503.

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 242230998867984 + 63224046336025 = 15563772^2 + 7951355^2 .

It is a cyclic number.

It is not a de Polignac number, because 305455045204009 - 2¹ = 305455045204007 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 305455045204009.

It is not an unprimeable number, because it can be changed into a prime (305455045204007) 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, 68273365042 + ... + 68273369515.

It is an arithmetic number, because the mean of its divisors is an integer number (76397897985201).

Almost surely, 2^{305455045204009} is an apocalyptic number.

It is an amenable number.

305455045204009 is a deficient number, since it is larger than the sum of its proper divisors (136546736795).

305455045204009 is a wasteful number, since it uses less digits than its factorization.

305455045204009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136546736794.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 305455045204009 in words is "three hundred five trillion, four hundred fifty-five billion, forty-five million, two hundred four thousand, nine".