505240016633 has 4 divisors (see below), whose sum is σ = 551170927248. Its totient is φ = 459309106020.

The previous prime is 505240016629. The next prime is 505240016653. The reversal of 505240016633 is 336610042505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505240016633 - 2² = 505240016629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505240016593 and 505240016602.

It is not an unprimeable number, because it can be changed into a prime (505240016653) by changing a digit.

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, 22965455291 + ... + 22965455312.

It is an arithmetic number, because the mean of its divisors is an integer number (137792731812).

Almost surely, 2^505240016633 is an apocalyptic number.

It is an amenable number.

505240016633 is a deficient number, since it is larger than the sum of its proper divisors (45930910615).

505240016633 is a wasteful number, since it uses less digits than its factorization.

505240016633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45930910614.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 505240016633 in words is "five hundred five billion, two hundred forty million, sixteen thousand, six hundred thirty-three".