63943413 has 8 divisors (see below), whose sum is σ = 85294848. Its totient is φ = 42610464.

The previous prime is 63943367. The next prime is 63943447. The reversal of 63943413 is 31434936.

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

It is not a de Polignac number, because 63943413 - 2⁶ = 63943349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63943213) 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, 10945 + ... + 15737.

It is an arithmetic number, because the mean of its divisors is an integer number (10661856).

Almost surely, 2^63943413 is an apocalyptic number.

It is an amenable number.

63943413 is a deficient number, since it is larger than the sum of its proper divisors (21351435).

63943413 is a wasteful number, since it uses less digits than its factorization.

63943413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243.

The product of its digits is 23328, while the sum is 33.

The square root of 63943413 is about 7996.4625303943. The cubic root of 63943413 is about 399.8820756547.

The spelling of 63943413 in words is "sixty-three million, nine hundred forty-three thousand, four hundred thirteen".