501346804685 has 16 divisors (see below), whose sum is σ = 608661209520. Its totient is φ = 396384975360.

The previous prime is 501346804681. The next prime is 501346804691. The reversal of 501346804685 is 586408643105.

It can be written as a sum of positive squares in 8 ways, for example, as 19663611529 + 481683193156 = 140227^2 + 694034^2 .

It is not a de Polignac number, because 501346804685 - 2² = 501346804681 is a prime.

It is a super-3 number, since 3×501346804685³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501346804681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689639 + ... + 1215851.

It is an arithmetic number, because the mean of its divisors is an integer number (38041325595).

Almost surely, 2^501346804685 is an apocalyptic number.

It is an amenable number.

501346804685 is a deficient number, since it is larger than the sum of its proper divisors (107314404835).

501346804685 is a wasteful number, since it uses less digits than its factorization.

501346804685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528448.

The product of its (nonzero) digits is 2764800, while the sum is 50.

It can be divided in two parts, 501346 and 804685, that added together give a palindrome (1306031).

The spelling of 501346804685 in words is "five hundred one billion, three hundred forty-six million, eight hundred four thousand, six hundred eighty-five".