1800470853 has 12 divisors (see below), whose sum is σ = 2618136300. Its totient is φ = 1192257216.

The previous prime is 1800470849. The next prime is 1800470857. The reversal of 1800470853 is 3580740081.

1800470853 is a `hidden beast` number, since 180 + 0 + 470 + 8 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1800470849) and next prime (1800470857).

It can be written as a sum of positive squares in 2 ways, for example, as 568250244 + 1232220609 = 23838^2 + 35103^2 .

It is not a de Polignac number, because 1800470853 - 2² = 1800470849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800470857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669976 + ... + 672657.

It is an arithmetic number, because the mean of its divisors is an integer number (218178025).

Almost surely, 2^1800470853 is an apocalyptic number.

It is an amenable number.

1800470853 is a deficient number, since it is larger than the sum of its proper divisors (817665447).

1800470853 is a wasteful number, since it uses less digits than its factorization.

1800470853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342788 (or 1342785 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1800470853 is about 42431.9555641736. The cubic root of 1800470853 is about 1216.5464573881.

The spelling of 1800470853 in words is "one billion, eight hundred million, four hundred seventy thousand, eight hundred fifty-three".