306500428513 has 4 divisors (see below), whose sum is σ = 306532827328. Its totient is φ = 306468029700.

The previous prime is 306500428489. The next prime is 306500428517. The reversal of 306500428513 is 315824005603.

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.

It is a cyclic number.

It is not a de Polignac number, because 306500428513 - 2²⁵ = 306466874081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306500428517) 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, 16185213 + ... + 16204138.

It is an arithmetic number, because the mean of its divisors is an integer number (76633206832).

Almost surely, 2^306500428513 is an apocalyptic number.

It is an amenable number.

306500428513 is a deficient number, since it is larger than the sum of its proper divisors (32398815).

306500428513 is an equidigital number, since it uses as much as digits as its factorization.

306500428513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32398814.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 306500428513 in words is "three hundred six billion, five hundred million, four hundred twenty-eight thousand, five hundred thirteen".