630214646456 has 32 divisors (see below), whose sum is σ = 1186162971840. Its totient is φ = 313904992128.

The previous prime is 630214646449. The next prime is 630214646507. The reversal of 630214646456 is 654646412036.

It is a super-2 number, since 2×630214646456² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630214646456.

It is a congruent number.

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, 11791265 + ... + 11844591.

It is an arithmetic number, because the mean of its divisors is an integer number (37067592870).

Almost surely, 2^630214646456 is an apocalyptic number.

It is an amenable number.

630214646456 is a deficient number, since it is larger than the sum of its proper divisors (555948325384).

630214646456 is a wasteful number, since it uses less digits than its factorization.

630214646456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58943 (or 58939 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 630214646456 in words is "six hundred thirty billion, two hundred fourteen million, six hundred forty-six thousand, four hundred fifty-six".