630949386782 has 72 divisors (see below), whose sum is σ = 1171136025192. Its totient is φ = 253223166240.

The previous prime is 630949386761. The next prime is 630949386829. The reversal of 630949386782 is 287683949036.

630949386782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1474673 + ... + 1853795.

Almost surely, 2^630949386782 is an apocalyptic number.

630949386782 is a deficient number, since it is larger than the sum of its proper divisors (540186638410).

630949386782 is a wasteful number, since it uses less digits than its factorization.

630949386782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379206 (or 379172 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 65.

The spelling of 630949386782 in words is "six hundred thirty billion, nine hundred forty-nine million, three hundred eighty-six thousand, seven hundred eighty-two".