485375309858 has 4 divisors (see below), whose sum is σ = 728062964790. Its totient is φ = 242687654928.

The previous prime is 485375309833. The next prime is 485375309911. The reversal of 485375309858 is 858903573584.

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

It can be written as a sum of positive squares in only one way, i.e., 442548249049 + 42827060809 = 665243^2 + 206947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 485375309794 and 485375309803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121343827463 + ... + 121343827466.

Almost surely, 2^485375309858 is an apocalyptic number.

485375309858 is a deficient number, since it is larger than the sum of its proper divisors (242687654932).

485375309858 is a wasteful number, since it uses less digits than its factorization.

485375309858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242687654931.

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 485375309858 in words is "four hundred eighty-five billion, three hundred seventy-five million, three hundred nine thousand, eight hundred fifty-eight".