1630000433 has 2 divisors, whose sum is σ = 1630000434. Its totient is φ = 1630000432.

The previous prime is 1630000417. The next prime is 1630000457. The reversal of 1630000433 is 3340000361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940832929 + 689167504 = 30673^2 + 26252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1630000433 - 2⁴ = 1630000417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630000483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815000216 + 815000217.

It is an arithmetic number, because the mean of its divisors is an integer number (815000217).

Almost surely, 2^1630000433 is an apocalyptic number.

It is an amenable number.

1630000433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630000433 is an equidigital number, since it uses as much as digits as its factorization.

1630000433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1630000433 is about 40373.2638388327. The cubic root of 1630000433 is about 1176.8720261093.

Adding to 1630000433 its reverse (3340000361), we get a palindrome (4970000794).

The spelling of 1630000433 in words is "one billion, six hundred thirty million, four hundred thirty-three", and thus it is an aban number.