630334473 has 4 divisors (see below), whose sum is σ = 840445968. Its totient is φ = 420222980.

The previous prime is 630334457. The next prime is 630334477. The reversal of 630334473 is 374433036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630334473 - 2⁴ = 630334457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630334477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105055743 + ... + 105055748.

It is an arithmetic number, because the mean of its divisors is an integer number (210111492).

Almost surely, 2^630334473 is an apocalyptic number.

It is an amenable number.

630334473 is a deficient number, since it is larger than the sum of its proper divisors (210111495).

630334473 is a wasteful number, since it uses less digits than its factorization.

630334473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210111494.

The product of its (nonzero) digits is 54432, while the sum is 33.

The square root of 630334473 is about 25106.4627735569. The cubic root of 630334473 is about 857.4135708915.

The spelling of 630334473 in words is "six hundred thirty million, three hundred thirty-four thousand, four hundred seventy-three".