630165433 has 4 divisors (see below), whose sum is σ = 636283648. Its totient is φ = 624047220.

The previous prime is 630165409. The next prime is 630165443. The reversal of 630165433 is 334561036.

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 a de Polignac number, because none of the positive numbers 2^k-630165433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630165395 and 630165404.

It is not an unprimeable number, because it can be changed into a prime (630165443) 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, 3058953 + ... + 3059158.

It is an arithmetic number, because the mean of its divisors is an integer number (159070912).

Almost surely, 2^630165433 is an apocalyptic number.

It is an amenable number.

630165433 is a deficient number, since it is larger than the sum of its proper divisors (6118215).

630165433 is a wasteful number, since it uses less digits than its factorization.

630165433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118214.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 630165433 is about 25103.0960839495. The cubic root of 630165433 is about 857.3369183870.

The spelling of 630165433 in words is "six hundred thirty million, one hundred sixty-five thousand, four hundred thirty-three".