630448639362 has 32 divisors (see below), whose sum is σ = 1435167639360. Its totient is φ = 205023947040.

The previous prime is 630448639349. The next prime is 630448639369. The reversal of 630448639362 is 263936844036.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 630448639299 and 630448639308.

It is not an unprimeable number, because it can be changed into a prime (630448639369) 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, 142375528 + ... + 142379955.

It is an arithmetic number, because the mean of its divisors is an integer number (44848988730).

Almost surely, 2^630448639362 is an apocalyptic number.

630448639362 is an abundant number, since it is smaller than the sum of its proper divisors (804718999998).

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

630448639362 is a wasteful number, since it uses less digits than its factorization.

630448639362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284755535 (or 284755529 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 630448639362 in words is "six hundred thirty billion, four hundred forty-eight million, six hundred thirty-nine thousand, three hundred sixty-two".