1630940856263 has 8 divisors (see below), whose sum is σ = 1657231520400. Its totient is φ = 1604854789120.

The previous prime is 1630940856257. The next prime is 1630940856269. The reversal of 1630940856263 is 3626580490361.

It is an interprime number because it is at equal distance from previous prime (1630940856257) and next prime (1630940856269).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630940856263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630940856269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51133178 + ... + 51165063.

It is an arithmetic number, because the mean of its divisors is an integer number (207153940050).

Almost surely, 2^{1630940856263} is an apocalyptic number.

1630940856263 is a deficient number, since it is larger than the sum of its proper divisors (26290664137).

1630940856263 is a wasteful number, since it uses less digits than its factorization.

1630940856263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102298497.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 1630940856263 in words is "one trillion, six hundred thirty billion, nine hundred forty million, eight hundred fifty-six thousand, two hundred sixty-three".