630181036 has 6 divisors (see below), whose sum is σ = 1102816820. Its totient is φ = 315090516.

The previous prime is 630181033. The next prime is 630181043.

630181036 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 630180995 and 630181013.

It is not an unprimeable number, because it can be changed into a prime (630181031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78772626 + ... + 78772633.

Almost surely, 2^630181036 is an apocalyptic number.

It is an amenable number.

630181036 is a deficient number, since it is larger than the sum of its proper divisors (472635784).

630181036 is a wasteful number, since it uses less digits than its factorization.

630181036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157545263 (or 157545261 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 630181036 is about 25103.4068604243. The cubic root of 630181036 is about 857.3439942631.

The spelling of 630181036 in words is "six hundred thirty million, one hundred eighty-one thousand, thirty-six".