630361346 has 4 divisors (see below), whose sum is σ = 945542022. Its totient is φ = 315180672.

The previous prime is 630361331. The next prime is 630361363. The reversal of 630361346 is 643163036.

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., 319015321 + 311346025 = 17861^2 + 17645^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157590335 + ... + 157590338.

Almost surely, 2^630361346 is an apocalyptic number.

630361346 is a deficient number, since it is larger than the sum of its proper divisors (315180676).

630361346 is a wasteful number, since it uses less digits than its factorization.

630361346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315180675.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 630361346 is about 25106.9979487791. The cubic root of 630361346 is about 857.4257554002.

The spelling of 630361346 in words is "six hundred thirty million, three hundred sixty-one thousand, three hundred forty-six".