502428843905 has 16 divisors (see below), whose sum is σ = 606483280704. Its totient is φ = 399568438080.

The previous prime is 502428843899. The next prime is 502428843907. The reversal of 502428843905 is 509348824205.

It is a de Polignac number, because none of the positive numbers 2^k-502428843905 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502428843907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620762 + ... + 1179068.

It is an arithmetic number, because the mean of its divisors is an integer number (37905205044).

Almost surely, 2^502428843905 is an apocalyptic number.

It is an amenable number.

502428843905 is a deficient number, since it is larger than the sum of its proper divisors (104054436799).

502428843905 is a wasteful number, since it uses less digits than its factorization.

502428843905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559376.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 502428843905 in words is "five hundred two billion, four hundred twenty-eight million, eight hundred forty-three thousand, nine hundred five".