630423672325844 has 24 divisors (see below), whose sum is σ = 1168170927027048. Its totient is φ = 296661596221440.

The previous prime is 630423672325841. The next prime is 630423672325891. The reversal of 630423672325844 is 448523276324036.

630423672325844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 43156884972100 + 587266787353744 = 6569390^2 + 24233588^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630423672325841) 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, 128308829 + ... + 133131524.

It is an arithmetic number, because the mean of its divisors is an integer number (48673788626127).

Almost surely, 2^{630423672325844} is an apocalyptic number.

It is an amenable number.

630423672325844 is a deficient number, since it is larger than the sum of its proper divisors (537747254701204).

630423672325844 is a wasteful number, since it uses less digits than its factorization.

630423672325844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261475835 (or 261475833 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 59.

The spelling of 630423672325844 in words is "six hundred thirty trillion, four hundred twenty-three billion, six hundred seventy-two million, three hundred twenty-five thousand, eight hundred forty-four".