630460845 has 24 divisors (see below), whose sum is σ = 1248913536. Its totient is φ = 288210528.

The previous prime is 630460823. The next prime is 630460847. The reversal of 630460845 is 548064036.

630460845 is a `hidden beast` number, since 6 + 3 + 0 + 4 + 608 + 45 = 666.

It is not a de Polignac number, because 630460845 - 2¹⁰ = 630459821 is a prime.

It is a super-2 number, since 2×630460845² = 794961754156228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630460847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000417 + ... + 1001046.

It is an arithmetic number, because the mean of its divisors is an integer number (52038064).

Almost surely, 2^630460845 is an apocalyptic number.

It is an amenable number.

630460845 is a deficient number, since it is larger than the sum of its proper divisors (618452691).

630460845 is a wasteful number, since it uses less digits than its factorization.

630460845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001481 (or 2001478 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 630460845 is about 25108.9793699386. The cubic root of 630460845 is about 857.4708663075.

The spelling of 630460845 in words is "six hundred thirty million, four hundred sixty thousand, eight hundred forty-five".