505030452789 has 16 divisors (see below), whose sum is σ = 692223980672. Its totient is φ = 327279071808.

The previous prime is 505030452757. The next prime is 505030452791. The reversal of 505030452789 is 987254030505.

It is not a de Polignac number, because 505030452789 - 2⁵ = 505030452757 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505030452709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022094 + ... + 2258079.

It is an arithmetic number, because the mean of its divisors is an integer number (43263998792).

Almost surely, 2^505030452789 is an apocalyptic number.

It is an amenable number.

505030452789 is a deficient number, since it is larger than the sum of its proper divisors (187193527883).

505030452789 is a wasteful number, since it uses less digits than its factorization.

505030452789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281276.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 505030452789 in words is "five hundred five billion, thirty million, four hundred fifty-two thousand, seven hundred eighty-nine".