63429413 has 4 divisors (see below), whose sum is σ = 63833580. Its totient is φ = 63025248.

The previous prime is 63429371. The next prime is 63429437. The reversal of 63429413 is 31492436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46471489 + 16957924 = 6817^2 + 4118^2 .

It is a cyclic number.

It is not a de Polignac number, because 63429413 - 2⁶ = 63429349 is a prime.

It is a Duffinian number.

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 63429413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63429463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201848 + ... + 202161.

It is an arithmetic number, because the mean of its divisors is an integer number (15958395).

Almost surely, 2^63429413 is an apocalyptic number.

It is an amenable number.

63429413 is a deficient number, since it is larger than the sum of its proper divisors (404167).

63429413 is a wasteful number, since it uses less digits than its factorization.

63429413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404166.

The product of its digits is 15552, while the sum is 32.

The square root of 63429413 is about 7964.2584714460. The cubic root of 63429413 is about 398.8077268259.

The spelling of 63429413 in words is "sixty-three million, four hundred twenty-nine thousand, four hundred thirteen".