630047868805 has 4 divisors (see below), whose sum is σ = 756057442572. Its totient is φ = 504038295040.

The previous prime is 630047868787. The next prime is 630047868847. The reversal of 630047868805 is 508868740036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139892456484 + 490155412321 = 374022^2 + 700111^2 .

It is not a de Polignac number, because 630047868805 - 2¹⁷ = 630047737733 is a prime.

It is a super-3 number, since 3×630047868805³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63004786876 + ... + 63004786885.

It is an arithmetic number, because the mean of its divisors is an integer number (189014360643).

Almost surely, 2^630047868805 is an apocalyptic number.

It is an amenable number.

630047868805 is a deficient number, since it is larger than the sum of its proper divisors (126009573767).

630047868805 is a wasteful number, since it uses less digits than its factorization.

630047868805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126009573766.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 630047868805 in words is "six hundred thirty billion, forty-seven million, eight hundred sixty-eight thousand, eight hundred five".