306504331845 has 8 divisors (see below), whose sum is σ = 490406930976. Its totient is φ = 163468976976.

The previous prime is 306504331813. The next prime is 306504331867. The reversal of 306504331845 is 548133405603.

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

It is not a de Polignac number, because 306504331845 - 2⁵ = 306504331813 is a prime.

It is a super-2 number, since 2×306504331845² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 306504331797 and 306504331806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10216811047 + ... + 10216811076.

It is an arithmetic number, because the mean of its divisors is an integer number (61300866372).

Almost surely, 2^306504331845 is an apocalyptic number.

It is an amenable number.

306504331845 is a deficient number, since it is larger than the sum of its proper divisors (183902599131).

306504331845 is a wasteful number, since it uses less digits than its factorization.

306504331845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433622131.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 306504331845 in words is "three hundred six billion, five hundred four million, three hundred thirty-one thousand, eight hundred forty-five".