630639341 has 4 divisors (see below), whose sum is σ = 631714272. Its totient is φ = 629564412.

The previous prime is 630639337. The next prime is 630639343. The reversal of 630639341 is 143936036.

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 630639341 - 2² = 630639337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630639343) 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 3 ways as a sum of consecutive naturals, for example, 536585 + ... + 537758.

It is an arithmetic number, because the mean of its divisors is an integer number (157928568).

Almost surely, 2^630639341 is an apocalyptic number.

It is an amenable number.

630639341 is a deficient number, since it is larger than the sum of its proper divisors (1074931).

630639341 is a wasteful number, since it uses less digits than its factorization.

630639341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074930.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 630639341 is about 25112.5335440294. The cubic root of 630639341 is about 857.5517810220.

The spelling of 630639341 in words is "six hundred thirty million, six hundred thirty-nine thousand, three hundred forty-one".