63630143 has 8 divisors (see below), whose sum is σ = 65007360. Its totient is φ = 62263000.

The previous prime is 63630139. The next prime is 63630179. The reversal of 63630143 is 34103636.

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 63630143 - 2² = 63630139 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63630103) 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, 11018 + ... + 15768.

It is an arithmetic number, because the mean of its divisors is an integer number (8125920).

Almost surely, 2^63630143 is an apocalyptic number.

63630143 is a deficient number, since it is larger than the sum of its proper divisors (1377217).

63630143 is a wasteful number, since it uses less digits than its factorization.

63630143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 63630143 is about 7976.8504436275. The cubic root of 63630143 is about 399.2279754873.

Adding to 63630143 its reverse (34103636), we get a palindrome (97733779).

The spelling of 63630143 in words is "sixty-three million, six hundred thirty thousand, one hundred forty-three".