63144429 has 8 divisors (see below), whose sum is σ = 88623840. Its totient is φ = 39880656.

The previous prime is 63144421. The next prime is 63144437. The reversal of 63144429 is 92444136.

It is an interprime number because it is at equal distance from previous prime (63144421) and next prime (63144437).

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

It is not a de Polignac number, because 63144429 - 2³ = 63144421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63144429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144421) 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, 553842 + ... + 553955.

It is an arithmetic number, because the mean of its divisors is an integer number (11077980).

Almost surely, 2^63144429 is an apocalyptic number.

It is an amenable number.

63144429 is a deficient number, since it is larger than the sum of its proper divisors (25479411).

63144429 is a wasteful number, since it uses less digits than its factorization.

63144429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107819.

The product of its digits is 20736, while the sum is 33.

The square root of 63144429 is about 7946.3468965305. The cubic root of 63144429 is about 398.2095581693.

The spelling of 63144429 in words is "sixty-three million, one hundred forty-four thousand, four hundred twenty-nine".