630383943 has 16 divisors (see below), whose sum is σ = 976334336. Its totient is φ = 354313440.

The previous prime is 630383927. The next prime is 630383959. The reversal of 630383943 is 349383036.

630383943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630383927) and next prime (630383959).

It is not a de Polignac number, because 630383943 - 2⁴ = 630383927 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 (630383983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244771 + ... + 247332.

It is an arithmetic number, because the mean of its divisors is an integer number (61020896).

Almost surely, 2^630383943 is an apocalyptic number.

630383943 is a deficient number, since it is larger than the sum of its proper divisors (345950393).

630383943 is a wasteful number, since it uses less digits than its factorization.

630383943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492174.

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 630383943 is about 25107.4479587233. The cubic root of 630383943 is about 857.4360008561.

The spelling of 630383943 in words is "six hundred thirty million, three hundred eighty-three thousand, nine hundred forty-three".