63409671 has 24 divisors (see below), whose sum is σ = 100121840. Its totient is φ = 38434176.

The previous prime is 63409651. The next prime is 63409673. The reversal of 63409671 is 17690436.

It is not a de Polignac number, because 63409671 - 2⁶ = 63409607 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63409673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3795 + ... + 11883.

Almost surely, 2^63409671 is an apocalyptic number.

63409671 is a deficient number, since it is larger than the sum of its proper divisors (36712169).

63409671 is a wasteful number, since it uses less digits than its factorization.

63409671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8175 (or 8172 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 63409671 is about 7963.0189626799. The cubic root of 63409671 is about 398.7663470793.

The spelling of 63409671 in words is "sixty-three million, four hundred nine thousand, six hundred seventy-one".