1804920053 has 2 divisors, whose sum is σ = 1804920054. Its totient is φ = 1804920052.

The previous prime is 1804920049. The next prime is 1804920071. The reversal of 1804920053 is 3500294081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803955729 + 964324 = 42473^2 + 982^2 .

It is an emirp because it is prime and its reverse (3500294081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1804920053 - 2² = 1804920049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1804920253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902460026 + 902460027.

It is an arithmetic number, because the mean of its divisors is an integer number (902460027).

Almost surely, 2^1804920053 is an apocalyptic number.

It is an amenable number.

1804920053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1804920053 is an equidigital number, since it uses as much as digits as its factorization.

1804920053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1804920053 is about 42484.3506835164. The cubic root of 1804920053 is about 1217.5477151306.

The spelling of 1804920053 in words is "one billion, eight hundred four million, nine hundred twenty thousand, fifty-three".