1630842863 has 8 divisors (see below), whose sum is σ = 1757019600. Its totient is φ = 1504770048.

The previous prime is 1630842833. The next prime is 1630842881. The reversal of 1630842863 is 3682480361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1630842863 - 2⁶ = 1630842799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630842863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630842833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8303 + ... + 57711.

It is an arithmetic number, because the mean of its divisors is an integer number (219627450).

Almost surely, 2^1630842863 is an apocalyptic number.

1630842863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1630842863 is a deficient number, since it is larger than the sum of its proper divisors (126176737).

1630842863 is a wasteful number, since it uses less digits than its factorization.

1630842863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51961.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 1630842863 is about 40383.6955094503. The cubic root of 1630842863 is about 1177.0747380288.

The spelling of 1630842863 in words is "one billion, six hundred thirty million, eight hundred forty-two thousand, eight hundred sixty-three".