1630350959 has 2 divisors, whose sum is σ = 1630350960. Its totient is φ = 1630350958.

The previous prime is 1630350947. The next prime is 1630350973. The reversal of 1630350959 is 9590530361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630350959 - 2⁸ = 1630350703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630358959) 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, 815175479 + 815175480.

It is an arithmetic number, because the mean of its divisors is an integer number (815175480).

Almost surely, 2^1630350959 is an apocalyptic number.

1630350959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630350959 is an equidigital number, since it uses as much as digits as its factorization.

1630350959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 1630350959 is about 40377.6046714017. The cubic root of 1630350959 is about 1176.9563808265.

The spelling of 1630350959 in words is "one billion, six hundred thirty million, three hundred fifty thousand, nine hundred fifty-nine".