630180002 has 4 divisors (see below), whose sum is σ = 945270006. Its totient is φ = 315090000.

The previous prime is 630179999. The next prime is 630180037. The reversal of 630180002 is 200081036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 578354401 + 51825601 = 24049^2 + 7199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157544999 + ... + 157545002.

Almost surely, 2^630180002 is an apocalyptic number.

630180002 is a deficient number, since it is larger than the sum of its proper divisors (315090004).

630180002 is a wasteful number, since it uses less digits than its factorization.

630180002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315090003.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 630180002 is about 25103.3862656017. The cubic root of 630180002 is about 857.3435253533.

The spelling of 630180002 in words is "six hundred thirty million, one hundred eighty thousand, two".