651671000485 has 4 divisors (see below), whose sum is σ = 782005200588. Its totient is φ = 521336800384.

The previous prime is 651671000483. The next prime is 651671000531. The reversal of 651671000485 is 584000176156.

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 231136908289 + 420534092196 = 480767^2 + 648486^2 .

It is a cyclic number.

It is not a de Polignac number, because 651671000485 - 2¹ = 651671000483 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 (651671000483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65167100044 + ... + 65167100053.

It is an arithmetic number, because the mean of its divisors is an integer number (195501300147).

Almost surely, 2^651671000485 is an apocalyptic number.

It is an amenable number.

651671000485 is a deficient number, since it is larger than the sum of its proper divisors (130334200103).

651671000485 is a wasteful number, since it uses less digits than its factorization.

651671000485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130334200102.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 651671000485 in words is "six hundred fifty-one billion, six hundred seventy-one million, four hundred eighty-five", and thus it is an aban number.