305544728099 has 12 divisors (see below), whose sum is σ = 331216311600. Its totient is φ = 281734244064.

The previous prime is 305544728059. The next prime is 305544728107. The reversal of 305544728099 is 990827445503.

It is a de Polignac number, because none of the positive numbers 2^k-305544728099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305544728009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 828344 + ... + 1138965.

It is an arithmetic number, because the mean of its divisors is an integer number (27601359300).

Almost surely, 2^305544728099 is an apocalyptic number.

305544728099 is a deficient number, since it is larger than the sum of its proper divisors (25671583501).

305544728099 is a wasteful number, since it uses less digits than its factorization.

305544728099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968254 (or 1968241 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 305544728099 in words is "three hundred five billion, five hundred forty-four million, seven hundred twenty-eight thousand, ninety-nine".