1630403353 has 2 divisors, whose sum is σ = 1630403354. Its totient is φ = 1630403352.

The previous prime is 1630403347. The next prime is 1630403413. The reversal of 1630403353 is 3533040361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056705049 + 573698304 = 32507^2 + 23952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630403353 - 2⁵ = 1630403321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630400353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815201676 + 815201677.

It is an arithmetic number, because the mean of its divisors is an integer number (815201677).

Almost surely, 2^1630403353 is an apocalyptic number.

It is an amenable number.

1630403353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630403353 is an equidigital number, since it uses as much as digits as its factorization.

1630403353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 1630403353 is about 40378.2534664391. The cubic root of 1630403353 is about 1176.9689884988.

The spelling of 1630403353 in words is "one billion, six hundred thirty million, four hundred three thousand, three hundred fifty-three".