5009394816 has 48 divisors (see below), whose sum is σ = 14415058710. Its totient is φ = 1669797888.

The previous prime is 5009394809. The next prime is 5009394839. The reversal of 5009394816 is 6184939005.

It is a happy number.

5009394816 is a `hidden beast` number, since 500 + 93 + 9 + 48 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4564353600 + 445041216 = 67560^2 + 21096^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2173065 + ... + 2175368.

Almost surely, 2^5009394816 is an apocalyptic number.

It is an amenable number.

5009394816 is an abundant number, since it is smaller than the sum of its proper divisors (9405663894).

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

5009394816 is a wasteful number, since it uses less digits than its factorization.

5009394816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348453 (or 4348438 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5009394816 is about 70777.0783234233. The cubic root of 5009394816 is about 1711.0462705489.

The spelling of 5009394816 in words is "five billion, nine million, three hundred ninety-four thousand, eight hundred sixteen".