630235565441 has 8 divisors (see below), whose sum is σ = 640945763304. Its totient is φ = 619537576320.

The previous prime is 630235565411. The next prime is 630235565447. The reversal of 630235565441 is 144565532036.

It can be written as a sum of positive squares in 4 ways, for example, as 1489651216 + 628745914225 = 38596^2 + 792935^2 .

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-630235565441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630235565392 and 630235565401.

It is not an unprimeable number, because it can be changed into a prime (630235565447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2948036 + ... + 3154581.

It is an arithmetic number, because the mean of its divisors is an integer number (80118220413).

Almost surely, 2^630235565441 is an apocalyptic number.

630235565441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

630235565441 is a deficient number, since it is larger than the sum of its proper divisors (10710197863).

630235565441 is a wasteful number, since it uses less digits than its factorization.

630235565441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6104371.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 630235565441 in words is "six hundred thirty billion, two hundred thirty-five million, five hundred sixty-five thousand, four hundred forty-one".