630456869218 has 16 divisors (see below), whose sum is σ = 1067231064960. Its totient is φ = 276689534800.

The previous prime is 630456869137. The next prime is 630456869239. The reversal of 630456869218 is 812968654036.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494087818 + ... + 494089093.

It is an arithmetic number, because the mean of its divisors is an integer number (66701941560).

Almost surely, 2^630456869218 is an apocalyptic number.

630456869218 is a deficient number, since it is larger than the sum of its proper divisors (436774195742).

630456869218 is a wasteful number, since it uses less digits than its factorization.

630456869218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988176953.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 630456869218 in words is "six hundred thirty billion, four hundred fifty-six million, eight hundred sixty-nine thousand, two hundred eighteen".