63363869 has 8 divisors (see below), whose sum is σ = 67321560. Its totient is φ = 59524416.

The previous prime is 63363863. The next prime is 63363929. The reversal of 63363869 is 96836336.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45832900 + 17530969 = 6770^2 + 4187^2 .

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

It is not a de Polignac number, because 63363869 - 2¹² = 63359773 is a prime.

It is a super-2 number, since 2×63363869² = 8029959789298322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63363863) 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, 28454 + ... + 30599.

It is an arithmetic number, because the mean of its divisors is an integer number (8415195).

Almost surely, 2^63363869 is an apocalyptic number.

It is an amenable number.

63363869 is a deficient number, since it is larger than the sum of its proper divisors (3957691).

63363869 is a wasteful number, since it uses less digits than its factorization.

63363869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59119.

The product of its digits is 419904, while the sum is 44.

The square root of 63363869 is about 7960.1425238497. The cubic root of 63363869 is about 398.6703118045.

The spelling of 63363869 in words is "sixty-three million, three hundred sixty-three thousand, eight hundred sixty-nine".