505053434542 has 8 divisors (see below), whose sum is σ = 759527659800. Its totient is φ = 251877547944.

The previous prime is 505053434507. The next prime is 505053434569. The reversal of 505053434542 is 245434350505.

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

It is a junction number, because it is equal to n+sod(n) for n = 505053434495 and 505053434504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324583692 + ... + 324585247.

It is an arithmetic number, because the mean of its divisors is an integer number (94940957475).

Almost surely, 2^505053434542 is an apocalyptic number.

505053434542 is a deficient number, since it is larger than the sum of its proper divisors (254474225258).

505053434542 is a wasteful number, since it uses less digits than its factorization.

505053434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649169330.

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 505053434542 in words is "five hundred five billion, fifty-three million, four hundred thirty-four thousand, five hundred forty-two".