505034650646 has 4 divisors (see below), whose sum is σ = 757551975972. Its totient is φ = 252517325322.

The previous prime is 505034650643. The next prime is 505034650657. The reversal of 505034650646 is 646056430505.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 505034650597 and 505034650606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505034650643) 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 as a sum of consecutive naturals, namely, 126258662660 + ... + 126258662663.

It is an arithmetic number, because the mean of its divisors is an integer number (189387993993).

Almost surely, 2^505034650646 is an apocalyptic number.

505034650646 is a deficient number, since it is larger than the sum of its proper divisors (252517325326).

505034650646 is a wasteful number, since it uses less digits than its factorization.

505034650646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252517325325.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 505034650646 in words is "five hundred five billion, thirty-four million, six hundred fifty thousand, six hundred forty-six".