630783064647 has 12 divisors (see below), whose sum is σ = 913206568560. Its totient is φ = 419564131488.

The previous prime is 630783064609. The next prime is 630783064679. The reversal of 630783064647 is 746460387036.

It is a happy number.

It is not a de Polignac number, because 630783064647 - 2⁸ = 630783064391 is a prime.

It is a super-3 number, since 3×630783064647³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 630783064593 and 630783064602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630783064607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79821798 + ... + 79829699.

It is an arithmetic number, because the mean of its divisors is an integer number (76100547380).

Almost surely, 2^630783064647 is an apocalyptic number.

630783064647 is a deficient number, since it is larger than the sum of its proper divisors (282423503913).

630783064647 is a wasteful number, since it uses less digits than its factorization.

630783064647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159651942 (or 159651939 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 630783064647 in words is "six hundred thirty billion, seven hundred eighty-three million, sixty-four thousand, six hundred forty-seven".