63413709 has 16 divisors (see below), whose sum is σ = 86423040. Its totient is φ = 41348160.

The previous prime is 63413699. The next prime is 63413711. The reversal of 63413709 is 90731436.

It is not a de Polignac number, because 63413709 - 2¹² = 63409613 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63413709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63413789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35172 + ... + 36930.

It is an arithmetic number, because the mean of its divisors is an integer number (5401440).

Almost surely, 2^63413709 is an apocalyptic number.

It is an amenable number.

63413709 is a deficient number, since it is larger than the sum of its proper divisors (23009331).

63413709 is a wasteful number, since it uses less digits than its factorization.

63413709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 63413709 is about 7963.2725056976. The cubic root of 63413709 is about 398.7748115312.

The spelling of 63413709 in words is "sixty-three million, four hundred thirteen thousand, seven hundred nine".