630314421 has 8 divisors (see below), whose sum is σ = 916821024. Its totient is φ = 382008720.

The previous prime is 630314411. The next prime is 630314431. The reversal of 630314421 is 124413036.

It is an interprime number because it is at equal distance from previous prime (630314411) and next prime (630314431).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-630314421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630314391 and 630314400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630314411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9550186 + ... + 9550251.

It is an arithmetic number, because the mean of its divisors is an integer number (114602628).

Almost surely, 2^630314421 is an apocalyptic number.

It is an amenable number.

630314421 is a deficient number, since it is larger than the sum of its proper divisors (286506603).

630314421 is a wasteful number, since it uses less digits than its factorization.

630314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19100451.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 630314421 is about 25106.0634309722. The cubic root of 630314421 is about 857.4044788724.

Adding to 630314421 its reverse (124413036), we get a palindrome (754727457).

The spelling of 630314421 in words is "six hundred thirty million, three hundred fourteen thousand, four hundred twenty-one".