485693551837 has 4 divisors (see below), whose sum is σ = 523054594300. Its totient is φ = 448332509376.

The previous prime is 485693551801. The next prime is 485693551859. The reversal of 485693551837 is 738155396584.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 258070096036 + 227623455801 = 508006^2 + 477099^2 .

It is a cyclic number.

It is not a de Polignac number, because 485693551837 - 2¹⁹ = 485693027549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485693551867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18680521212 + ... + 18680521237.

It is an arithmetic number, because the mean of its divisors is an integer number (130763648575).

Almost surely, 2^485693551837 is an apocalyptic number.

It is an amenable number.

485693551837 is a deficient number, since it is larger than the sum of its proper divisors (37361042463).

485693551837 is a wasteful number, since it uses less digits than its factorization.

485693551837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37361042462.

The product of its digits is 108864000, while the sum is 64.

The spelling of 485693551837 in words is "four hundred eighty-five billion, six hundred ninety-three million, five hundred fifty-one thousand, eight hundred thirty-seven".