505301428930 has 8 divisors (see below), whose sum is σ = 909542572092. Its totient is φ = 202120571568.

The previous prime is 505301428799. The next prime is 505301428937. The reversal of 505301428930 is 39824103505.

It can be written as a sum of positive squares in 2 ways, for example, as 501627978049 + 3673450881 = 708257^2 + 60609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (505301428937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25265071437 + ... + 25265071456.

Almost surely, 2^505301428930 is an apocalyptic number.

505301428930 is a deficient number, since it is larger than the sum of its proper divisors (404241143162).

505301428930 is a wasteful number, since it uses less digits than its factorization.

505301428930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50530142900.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 505301428930 in words is "five hundred five billion, three hundred one million, four hundred twenty-eight thousand, nine hundred thirty".