8309945364504 has 64 divisors (see below), whose sum is σ = 23744432759040. Its totient is φ = 2374096932480.

The previous prime is 8309945364473. The next prime is 8309945364529. The reversal of 8309945364504 is 4054635499038.

It is a super-2 number, since 2×8309945364504² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515194 + ... + 4109174.

It is an arithmetic number, because the mean of its divisors is an integer number (371006761860).

Almost surely, 2^{8309945364504} is an apocalyptic number.

8309945364504 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8309945364504 is an abundant number, since it is smaller than the sum of its proper divisors (15434487394536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8309945364504 is a wasteful number, since it uses less digits than its factorization.

8309945364504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607760 (or 3607756 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 60.

The spelling of 8309945364504 in words is "eight trillion, three hundred nine billion, nine hundred forty-five million, three hundred sixty-four thousand, five hundred four".