63486143 has 16 divisors (see below), whose sum is σ = 78465024. Its totient is φ = 50121600.

The previous prime is 63486139. The next prime is 63486149. The reversal of 63486143 is 34168436.

It is a cyclic number.

It is not a de Polignac number, because 63486143 - 2² = 63486139 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 (63486149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (4904064).

Almost surely, 2^63486143 is an apocalyptic number.

63486143 is a deficient number, since it is larger than the sum of its proper divisors (14978881).

63486143 is a wasteful number, since it uses less digits than its factorization.

63486143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422.

The product of its digits is 41472, while the sum is 35.

The square root of 63486143 is about 7967.8192123065. The cubic root of 63486143 is about 398.9265866193.

The spelling of 63486143 in words is "sixty-three million, four hundred eighty-six thousand, one hundred forty-three".