505223516634 has 16 divisors (see below), whose sum is σ = 1025528333088. Its totient is φ = 165894288912.

The previous prime is 505223516621. The next prime is 505223516641. The reversal of 505223516634 is 436615322505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628387057 + ... + 628387860.

It is an arithmetic number, because the mean of its divisors is an integer number (64095520818).

Almost surely, 2^505223516634 is an apocalyptic number.

505223516634 is an abundant number, since it is smaller than the sum of its proper divisors (520304816454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505223516634 is a wasteful number, since it uses less digits than its factorization.

505223516634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256774989.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 505223516634 in words is "five hundred five billion, two hundred twenty-three million, five hundred sixteen thousand, six hundred thirty-four".