630544665045 has 8 divisors (see below), whose sum is σ = 1008871464096. Its totient is φ = 336290488016.

The previous prime is 630544665043. The next prime is 630544665073. The reversal of 630544665045 is 540566445036.

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 630544665045 - 2¹ = 630544665043 is a prime.

It is a super-2 number, since 2×630544665045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 630544664985 and 630544665003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630544665043) 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, 21018155487 + ... + 21018155516.

It is an arithmetic number, because the mean of its divisors is an integer number (126108933012).

Almost surely, 2^630544665045 is an apocalyptic number.

It is an amenable number.

630544665045 is a deficient number, since it is larger than the sum of its proper divisors (378326799051).

630544665045 is a wasteful number, since it uses less digits than its factorization.

630544665045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42036311011.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 630544665045 in words is "six hundred thirty billion, five hundred forty-four million, six hundred sixty-five thousand, forty-five".