630904284608 has 28 divisors (see below), whose sum is σ = 1348254590760. Its totient is φ = 291186592512.

The previous prime is 630904284607. The next prime is 630904284617. The reversal of 630904284608 is 806482409036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630904284601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379148378 + ... + 379150041.

It is an arithmetic number, because the mean of its divisors is an integer number (48151949670).

Almost surely, 2^630904284608 is an apocalyptic number.

It is an amenable number.

630904284608 is an abundant number, since it is smaller than the sum of its proper divisors (717350306152).

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

630904284608 is a wasteful number, since it uses less digits than its factorization.

630904284608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758298444 (or 758298434 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 630904284608 in words is "six hundred thirty billion, nine hundred four million, two hundred eighty-four thousand, six hundred eight".