481818837169 has 8 divisors (see below), whose sum is σ = 498444739560. Its totient is φ = 465193698816.

The previous prime is 481818837151. The next prime is 481818837193. The reversal of 481818837169 is 961738818184.

It can be written as a sum of positive squares in 4 ways, for example, as 269348544144 + 212470293025 = 518988^2 + 460945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481818837169 - 2⁷ = 481818837041 is a prime.

It is a super-2 number, since 2×481818837169² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481818837169.

It is not an unprimeable number, because it can be changed into a prime (481818837769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285569 + ... + 1617505.

It is an arithmetic number, because the mean of its divisors is an integer number (62305592445).

Almost surely, 2^481818837169 is an apocalyptic number.

It is an amenable number.

481818837169 is a deficient number, since it is larger than the sum of its proper divisors (16625902391).

481818837169 is a wasteful number, since it uses less digits than its factorization.

481818837169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382019.

The product of its digits is 18579456, while the sum is 64.

The spelling of 481818837169 in words is "four hundred eighty-one billion, eight hundred eighteen million, eight hundred thirty-seven thousand, one hundred sixty-nine".