1630907965 has 32 divisors (see below), whose sum is σ = 2021400576. Its totient is φ = 1262822400.

The previous prime is 1630907953. The next prime is 1630907977. The reversal of 1630907965 is 5697090361.

It is an interprime number because it is at equal distance from previous prime (1630907953) and next prime (1630907977).

It is not a de Polignac number, because 1630907965 - 2¹³ = 1630899773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 6999489 + ... + 6999721.

It is an arithmetic number, because the mean of its divisors is an integer number (63168768).

Almost surely, 2^1630907965 is an apocalyptic number.

It is an amenable number.

1630907965 is a deficient number, since it is larger than the sum of its proper divisors (390492611).

1630907965 is a wasteful number, since it uses less digits than its factorization.

1630907965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 1630907965 is about 40384.5015445282. The cubic root of 1630907965 is about 1177.0904004616.

The spelling of 1630907965 in words is "one billion, six hundred thirty million, nine hundred seven thousand, nine hundred sixty-five".