484769921 has 2 divisors, whose sum is σ = 484769922. Its totient is φ = 484769920.

The previous prime is 484769881. The next prime is 484769927. The reversal of 484769921 is 129967484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442050625 + 42719296 = 21025^2 + 6536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-484769921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 484769921.

It is not a weakly prime, because it can be changed into another prime (484769927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242384960 + 242384961.

It is an arithmetic number, because the mean of its divisors is an integer number (242384961).

Almost surely, 2^484769921 is an apocalyptic number.

It is an amenable number.

484769921 is a deficient number, since it is larger than the sum of its proper divisors (1).

484769921 is an equidigital number, since it uses as much as digits as its factorization.

484769921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 484769921 is about 22017.4912512757. The cubic root of 484769921 is about 785.5585411933.

The spelling of 484769921 in words is "four hundred eighty-four million, seven hundred sixty-nine thousand, nine hundred twenty-one".