630173011 has 32 divisors (see below), whose sum is σ = 717127488. Its totient is φ = 549918720.

The previous prime is 630173009. The next prime is 630173023. The reversal of 630173011 is 110371036.

It is not a de Polignac number, because 630173011 - 2¹ = 630173009 is a prime.

It is a super-2 number, since 2×630173011² = 794236047585612242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630173081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4599735 + ... + 4599871.

It is an arithmetic number, because the mean of its divisors is an integer number (22410234).

Almost surely, 2^630173011 is an apocalyptic number.

630173011 is a deficient number, since it is larger than the sum of its proper divisors (86954477).

630173011 is a wasteful number, since it uses less digits than its factorization.

630173011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 630173011 is about 25103.2470210529. The cubic root of 630173011 is about 857.3403549836.

The spelling of 630173011 in words is "six hundred thirty million, one hundred seventy-three thousand, eleven".