505053521704 has 8 divisors (see below), whose sum is σ = 946975353210. Its totient is φ = 252526760848.

The previous prime is 505053521683. The next prime is 505053521729. The reversal of 505053521704 is 407125350505.

It can be written as a sum of positive squares in only one way, i.e., 330912562500 + 174140959204 = 575250^2 + 417302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×505053521704² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 31565845099 + ... + 31565845114.

Almost surely, 2^505053521704 is an apocalyptic number.

It is an amenable number.

505053521704 is a deficient number, since it is larger than the sum of its proper divisors (441921831506).

505053521704 is a wasteful number, since it uses less digits than its factorization.

505053521704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63131690219 (or 63131690215 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 505053521704 in words is "five hundred five billion, fifty-three million, five hundred twenty-one thousand, seven hundred four".