485814391001 has 4 divisors (see below), whose sum is σ = 485926102500. Its totient is φ = 485702679504.

The previous prime is 485814390959. The next prime is 485814391003. The reversal of 485814391001 is 100193418584.

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 106667560000 + 379146831001 = 326600^2 + 615749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485814391001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485814391003) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 55849226 + ... + 55857923.

It is an arithmetic number, because the mean of its divisors is an integer number (121481525625).

Almost surely, 2^485814391001 is an apocalyptic number.

It is an amenable number.

485814391001 is a deficient number, since it is larger than the sum of its proper divisors (111711499).

485814391001 is a wasteful number, since it uses less digits than its factorization.

485814391001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111711498.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 485814391001 in words is "four hundred eighty-five billion, eight hundred fourteen million, three hundred ninety-one thousand, one".