630687919570 has 16 divisors (see below), whose sum is σ = 1194987637440. Its totient is φ = 238997527344.

The previous prime is 630687919553. The next prime is 630687919571. The reversal of 630687919570 is 75919786036.

It is a junction number, because it is equal to n+sod(n) for n = 630687919499 and 630687919508.

It is not an unprimeable number, because it can be changed into a prime (630687919571) 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, 1659704862 + ... + 1659705241.

It is an arithmetic number, because the mean of its divisors is an integer number (74686727340).

Almost surely, 2^630687919570 is an apocalyptic number.

630687919570 is a deficient number, since it is larger than the sum of its proper divisors (564299717870).

630687919570 is a wasteful number, since it uses less digits than its factorization.

630687919570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319410129.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 630687919570 in words is "six hundred thirty billion, six hundred eighty-seven million, nine hundred nineteen thousand, five hundred seventy".