630680019 has 8 divisors (see below), whose sum is σ = 856773072. Its totient is φ = 412520160.

The previous prime is 630680003. The next prime is 630680111. The reversal of 630680019 is 910086036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630680019 - 2⁴ = 630680003 is a prime.

It is a super-2 number, since 2×630680019² = 795514572731680722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630630019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983112 + ... + 1983429.

It is an arithmetic number, because the mean of its divisors is an integer number (107096634).

Almost surely, 2^630680019 is an apocalyptic number.

630680019 is a deficient number, since it is larger than the sum of its proper divisors (226093053).

630680019 is a wasteful number, since it uses less digits than its factorization.

630680019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966597.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 630680019 is about 25113.3434452683. The cubic root of 630680019 is about 857.5702187877.

The spelling of 630680019 in words is "six hundred thirty million, six hundred eighty thousand, nineteen".