630984768828 has 48 divisors (see below), whose sum is σ = 1474880543136. Its totient is φ = 209959464960.

The previous prime is 630984768823. The next prime is 630984768829. The reversal of 630984768828 is 828867489036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630984768823) 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, 39249400 + ... + 39265472.

It is an arithmetic number, because the mean of its divisors is an integer number (30726677982).

Almost surely, 2^630984768828 is an apocalyptic number.

It is an amenable number.

630984768828 is an abundant number, since it is smaller than the sum of its proper divisors (843895774308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630984768828 is a wasteful number, since it uses less digits than its factorization.

630984768828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614 (or 21612 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 630984768828 in words is "six hundred thirty billion, nine hundred eighty-four million, seven hundred sixty-eight thousand, eight hundred twenty-eight".