630141953 has 8 divisors (see below), whose sum is σ = 720341760. Its totient is φ = 539987040.

The previous prime is 630141943. The next prime is 630141979. The reversal of 630141953 is 359141036.

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

It is a cyclic number.

It is not a de Polignac number, because 630141953 - 2¹² = 630137857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630141943) 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, 28013 + ... + 45221.

It is an arithmetic number, because the mean of its divisors is an integer number (90042720).

Almost surely, 2^630141953 is an apocalyptic number.

It is an amenable number.

630141953 is a deficient number, since it is larger than the sum of its proper divisors (90199807).

630141953 is a wasteful number, since it uses less digits than its factorization.

630141953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 630141953 is about 25102.6284081966. The cubic root of 630141953 is about 857.3262701139.

Adding to 630141953 its reverse (359141036), we get a palindrome (989282989).

The spelling of 630141953 in words is "six hundred thirty million, one hundred forty-one thousand, nine hundred fifty-three".